Applications of Unit Rates Answers

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6

Susan can read 72 words in of a minute. Which statement is correct?

Question illustration
A
She can read 24 words per minute, because 72 divided by is equal to 24.
Option A
B
She can read 24 words per minute, because 72 times is equal to 24.
Option B
C
She can read 216 words per minute, because 72 divided by is equal to 216.
Option C
D
She can read 216 words per minute, because 72 times is equal to 216.
Option D
7

Which represents a unit rate?

A
The cost of cat food is $36 per 3 bags.
B
The cost of orange juice is $3 per jug.
C
The cost of photocopies is $1 per 10 pages.
D
The cost of roses is $50 per 2 dozen.
8

Gabriela makes a profit of $0.80 for every cup of coffee that she sells at her coffee shop. She wanted to make a profit of at least $75 today on coffee. If she sold 90 cups today, which statement is correct?

A
She met her goal, because she made less than $75 on coffee today.
B
She met her goal, because she made more than $75 on coffee today.
C
She missed her goal, because she made less than $75 on coffee today.
D
She missed her goal, because she made more than $75 on coffee today.
10

It takes Dariya 35 seconds to download 5 songs from the Internet. How can the number of seconds it would take Dariya to download 7 songs at this rate be determined?

A
By dividing 35 by 7.
B
By multiplying 35 by 7.
C
By finding the unit rate and dividing it by 7.
D
By finding the unit rate and multiplying it by 7.

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