Respuesta :

7anisakhan

Answer:

3 books for 2

Step-by-step explanation:

A unit rate is the amount of something for one singular unit, therefore the last one is not a unit rate.

Answer: 3 books for 2.

Since a unit rate is a comparison of a number to 1,

There is no comparison to 1 at all in 3 books for 2.

Therefore, your answer is concluded to be 3 books for 2.

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