Mathematics Middle School

Which unit rate is the lowest price per ounce? Choice A: 25 ounces of potato chips for $3.49. Choice B: 45 ounces of potato chips for $4.79
Choice A
Choice B
Both are equal
Not determined

Answers

Answer 1
3.49/25 = 0.1396 rounded = 0.14 cents per ounce
4.79/45 = 0.1064 rounded = 0.11 cants per ounce

B is the lowest price

hope it helps
Answer 2
I thinks the awnswer is choise b because it is a lower unit price

Related Questions

What is the simplified form of the following expression? 4sg/-5g

Answers

the first thing i would do is eliminate 'g' becasue it is on the top and bottom and get   4s/-5, I do not see anything else ypu can do to simplify so I would leave it like that

Which sets of values can be the measures of the exterior angles of a triangle?
120°, 110°, 130°

35°, 103°, 122°

123°, 87°, 220°

120°, 120°, 120°

123°, 157°, 90°

can be more than one answer

Answers

The 3 angles must add up to 360 degrees

Only 1 and 4  fit the bill.

Bella uses 56 beats to create a necklace.she wants to make 23 necklaces for a craft show. unfortunately,she was 15 beads short and cannot finish the last necklace.how many beads did she start with?

Answers

To find how many she started with do 56 x 23 - 15

Kai is making a chess board using pieces of wood that measure 1 in.². When he finishes, the chessboard will have an area of 64 in.². How many pieces of wood should he put along each side.

Answers

You have to find the square root of 64, since he is putting the same amount to both sides. The square root of 64 is 8, so Kai will be putting 8 pieces along each side. YOU'RE WELCOME :)

Answer:

8

Step-by-step explanation:

Is it possible to divide 15 by a mixed number an get a quotient greater than 15

Answers

If the mixed number can be anything less than 1 then sure, but I don't think 0 can be the whole number part of a mixed number, or at least I've never seen it
no you cannot because you are dividing a number greater than one.

How do you write 6.7 in two other word forms for a 4th grade assignment

Answers

six and seven hundredths
Six and seven hundreds

Sara is multiplying two factors,one with one decimal place and one with two decimal places.She says that the product could have two decimal places. is she correct?

Answers

She is incorrect, the product will have 3 decimal places.

plz help....Which relation describes a function?

A)
{(0, 0), (0, 2), (2, 0), (2, 2)}


B)
{(−2, −3), (−3, −2), (2, 3), (3, 2)}


C)
{(2, −1), (2, 1), (3, −1), (3, 1)}


D)
{(2, 2), (2, 3), (3, 2), (3, 3)}

Answers

the answer is B. {(-2,-3),(-3,-2),(2,3),(3,2)}
because the domain does not contain any repeated values.

The answer is B

a function is a set of ordered pairs such that for each domain element there is only one range element the set of ordered pairs{(-2,-3),(-3,-2),(2,3)(3,2) is the only set that does not pair a domain elemnt with two or more range elements.

Miss Lawrence buys 8 ounces of smoked salmon at $17.98 per pound. How much money does Miss Lawrence spend on the smoked salmon?

16 ounces= 1 pound

Answers

So if 16 ounces is one pound, 8 ounces is half a pound, If you buy a half pound at $17.98 per pound you multiply 17.98 by .5

So your answer is $8.99

If 2 and 4 each divide q without remainder which of the following must q divide without remainder

Answers

i would say that it is because the answer cannot be determined from the information given.

If 1 liter = 1.057 quarts, how many quarts are in 1 kiloliter?

Answers

1 Liter = 1.057 quarts 1 kiloliter is 1000 liter = 1057 quarts.
The answer may be 10000

In a class of 160 students, 90 are taking math, 78 are taking science, and 62 are taking both math and science. What is the probability of randomly choosing a student who is taking only math

Answers

The probability of choosing a student who is taking only math from a class of 160 students, with 90 taking math and 62 taking both math and science, is 0.175.

The question asks for the probability of randomly choosing a student who is taking only math in a class of 160 students, where 90 are taking math, 78 are taking science, and 62 are taking both math and science. To find the number of students taking only math, subtract the number of students taking both subjects from the total number taking math (90 - 62 = 28). The probability is then the number of students taking only math divided by the total number of students, which is 28/160.

The probability can be calculated as 28 divided by 160, or 0.175.

What does it mean to say that a number is a perfect square? Give on example of number that is a perfect square and of one that is not. Explain your examples.

Answers

A number that is a perfect square is a number that can be square rooted kind of in a perfect match. Example would be 9 because it can be square rooted by 3 for 3 * 3. An example that would not be a perfect square would be 30 because it can divided by 6 * 5 but neither one of those numbers are perfect squares. 

Answer:

A number called a perfect square means that the number has an exact squared root. In other words, the number has an squared power, which is exact.

Other way to see this, it's taking natural number 1, 2, 3, 4... then, applying the squared power to each one, the results of each squared power is what we call a perfect square. For example, 1, 4, 9, 16, 25, 36,..., are all perfect square, because they are the result of a squared power:

[tex]1^{2}=1\\2^{2}=4\\3^{2}=9\\4^{2}=16\\5^{2}=25\\6^{2}=36[/tex]

brianna choclotate chip cookies recipe will make about 3 dozen cholotate chip cookies . The recipe calls for 2 1/4 cups of flour and 3/8 cups o baking soda . If brianna was to adjust the recipe to include 1 cup of baking soda how many cups of flour would she need to use

Answers

so if she uses 2 1/4 for 3/8 thats 5/8 more which is 62.5% so 2 1/4+62.5 of 2 1/4 so 1 7/20+2 1/4 to get 3 3/5.

here are 96 girls in a junior class of 176 students. Find the ratio of girls to boys.

Answers

176 - 96= 80

Meaning there's 80 boy in the class.

The unsimplified version of the ratio would be 80:96 or 80/96 in fraction form

But if your looking for it simplified it would be 5:6 or 5/6 in fraction form.

Hope this helps :)

Carmelo puts $2,200.00 into savings bonds that pay a simple interest rate of 3.4%. How much money will the bonds be worth at the end of 5.5 years?

Answers

Hello there! So, the first thing we do when solving these types of problems is to find the interest rate. Because this is simple interest, the amount earned will be constant. The formula for this is I = prt. The principle is the $2,200. The rate earned per year is 3.4%. 2,200 * 3.4% (0.034) is 74.80. That's $74.80 worth of interest each year. The amount of time is 5.5 years. 74.8 * 5.5 is 411.4. Carmelo will earn $411.40 worth of interest in 5.5 years. However, that's not all. We are looking for the total amount of his bonds, which means add the interest and his initial amount in the bank. 2,200.00 + 411.40 is 2,611.4. Carmelo's saving bonds will be worth $2,611.40 at the end of 5.5 years.

The bonds will be $2611.40 at the end of 5.5 years.

What is simple interest rate?

Simple interest is a quick and easy method of calculating the interest charge on a loan. Simple interest is determined by multiplying the daily interest rate by the principal by the number of days that elapse between payments.

Simple interest rate formula

F.V = [tex]P.V (1+rt)[/tex]

F.V = Final value

P.V = Principal value

Given

Principal value P.V = $2200.00

Rate r = 3.4%

Time t = 5.5 years

Simple interest rate formula

F.V = [tex]P.V (1+rt)[/tex]

F.V = [tex]2200(1+3.4 \% \times 5.5)[/tex]

F.V = [tex]2200(1+0.034 \times 5.5)[/tex]

F.V = 2200 × 1.187

F.V  = 2611.40

Hence,

The bonds will be $2611.40 at the end of 5.5 years.

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21 is what percent of 42

Answers

21 is 50% of 42. 
42 x 0.5 = 21
1. We assume, that the number 42 is 100% - because it's the output value of the task.
2. We assume, that x is the value we are looking for.
3. If 100% equals 42, so we can write it down as 100%=42.
4. We know, that x% equals 21 of the output value, so we can write it down as x%=21.
5. Now we have two simple equations:
1) 100%=42
2) x%=21
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
100%/x%=42/21
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 21 is what percent of 42

100%/x%=42/21
(100/x)*x=(42/21)*x       - we multiply both sides of the equation by x
100=2*x       - we divide both sides of the equation by (2) to get x
100/2=x
50=x
x=50

now we have:
21 is 50% of 42

What value of x makes the equation below true? 6x-9 39

Answers

6x-9=39
+9 +9
6x=48
x=48/6
x=8
And yes it is true

help??????

Referring to the Fig. in Question #19, write the equation in standard form of the horizontal line through the point (3,0).

Answers

You'll have to supply Question 19.

Answer:

the answer is y=0

Step-by-step explanation:

simplify
7x + 8 = 36

Answers

7x=36-8
7x=28
x=28/7
x=4

The correct simplification of [tex]7x + 8 =36[/tex]  for value of x is 4.

Given expression is:

[tex]7x+8 = 36[/tex]

To simplify the expression,

isolate  [tex]x[/tex] on one side of the expression or rearrange the expression rearranging like and unlike terms.

Subtract 8 from both side of the expression:

[tex]7x + 8 -8 = 36 -8[/tex]

[tex]7x = 36-8[/tex]

[tex]7x = 28[/tex]

To solve for [tex]x[/tex] , Divide both side of the equation by 7.

[tex]\dfrac{7x}{x} = \dfrac{28}{7}[/tex]

[tex]x = \dfrac{28}{7}[/tex]

Simplify further,

[tex]x = 4[/tex]

The solution for the  equation  [tex]7x + 8 =36[/tex] is 4.

Learn more about simplification here:

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When is A divided by B equal to an integer? Explain please.

Answers

Can't see all the options. 

However, I'll guess and suggest B.

Not sure if this helped at all :P

a story problem for 7 ×6=42

Answers

Bob goes to the store 7 times a week and buys 6 watermelons each time he goes. How many watermelons does Bob buy in one week?

Monisha and Dave each sold more magazine subscriptions as part of a fundraiser Monisha rays have as much money as the rays together the race $213.75 what is the total amount of money the money she has raised

Answers

Monisha = x/2

Dave = x

x + (x/2) = 213.75

1. Solve for x.

2. Evaluate x/2 to find the total amount raised by Monisha.

Take it from here.

solve each equation x-6=8

Answers

Equation is
x-6=8
x=8+6
x=14
X equal to 14

The solution to the equation  x - 6 = 8 is x equal to 14.

What is a numerical expression?

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, An expression x - 6 = 8.

Now, Separating the variable and constants by moving them to other sides

we have, x = 8 + 6.

x = 14.

Also moving terms to the other sides changes its sign.

learn more about numerical expressions here :

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Determine the amount potential energy of 5.0kg book that is moved to three different shelves on a bookcase. The height of each Shelf is 1.0 m, 1.5

Answers

p. e = mgh
m=5kg
g=10ms-²
h=1 + 1.5 + (you didn't specify the third shelf height) i assume it is 2m
so total = 1+1.5+2= 4.5
p. e = 5×10×4.5 = 225joules

What is the probability that two events, A and B, will occur at the same time?

answer choices:
P(A or B)


P(A and B)


P(A)+P(B)

Answers

P (A and B) is the answer for this question, unless the question asks 'not the same time' Then your answer would be P(A or B).

Fifteen children voted their favorite color. The votes for red and blue together were double the votes for green and yellow together.How did the children vote?

Answers

5 green and yellow, ten red and blue
15, = 5 x 3 = 3 groups of five children of,  5 groups of 3 children, They voted in groups, their were no doubles.

how do i write a direct variation given that y varies directly with x
x: 15 y: -5

Answers

When we say that y varies directly with x, we mean that whatever value x is scaled up by, y will be scaled up by, too. The simplest kind of direct variation is one where y = x for all values of x. If you multiply x by some value, y must be multiplied by that same value.

More generally, though, you'll have something of the form y = kx, where the variable k here is referred to as the constant of proportionality. Another way you can think of k is as the ratio of y to x.

In this problem, you're given a set of values for x and y, and you'll need to use those to find the constant of proportionality before you set up an equation relating x to y. Substituting our general equation y = kx for the given values, we have:

-5 = k(15)

To get k, simply divide both sides by 15 to obtain:

k = -5/15 = -1/3

So, our general equation, for any x, would be y = (-1/3)x

Maihua jogged for 1/2 hour a 6 km/h she jogged for another 1/4 hour at 8 km/h what distance did she jog altogether.

Answers

5 km (1/2 * 6 = 3, and 1/4 * 8 = 2, and 2+3=5).

At a wedding reception, an equal number of guests were seated at 12 round tables. The 13 people in the wedding party were seated at a rectangular table. There were 121 people at the reception altogether. Which equation could you use to find the number of guests, n, seated at each round table?

Answers

12n + 13 = 121
-13 from both sides

12n = 108
÷12 from both sides

n=9
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