Proportions

Question 1

What is a valid proportion to represent the problem?

Revolt · Accepted Answer

D:

Question 2

Which situations can be represented by the proportion Check all that apply.

Revolt · Accepted Answer

B: If 8 people can eat 1/2 of a watermelon, then 4 people can eat 1/4 of the watermelon.; C: If 1/2 pound of steak costs $8, then 1/4 pound of steak costs $4.

Question 3

Solve

Revolt · Accepted Answer

C: a = 4/3

Question 4

Martin can run 1 mile in 7 minutes. What valid proportions can be written from this information? Check all that apply.

Revolt · Accepted Answer

A: ; D:

Question 5

a = 404247✔ 49

Revolt · Accepted Answer

D: 49

Question 6

Miguel works at an electronics store. He sold 8 televisions in 2.5 hours. If he works 7.5 hours, how many TVs can he expect to sell?

Revolt · Accepted Answer

B: 24 TVs

Question 7

Hye Lim drank 4/3 gallons of water in 11/2 hours. At this rate, how long will it take her to drink 4 gallons of water?

Revolt · Accepted Answer

B: 33/2 hours

Question 8

Solve the proportion using equivalent ratios. Explain the steps you used to solve the proportion, and include the answer in your response.

Revolt · Accepted Answer

To solve using equivalent ratios you would consider the values in both numberators. The second numerators. The second numerator is 2 times the value of the first, so the second denominator should be 2 times the value of the first. Thus, x should equal 6 because 2 times 3 is 6.

Question 9

Kaycee wrote the proportion for this situation. Identify the error and give two ways to write the proportion correctly.

Revolt · Accepted Answer

Kaycee did not keep lemonade and dollars in corresponding positions in the ratios of the proportion. The proportion should be 12/3c/9 or it could be written 3/129/c. Dollars should be in the same position and cups should be in the same position across ratios.

Question 10

b = 8✔ 101214

Revolt · Accepted Answer

B: 10

Proportions Answers

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