Question

Which is a unit rate?

A. 30 pounds per 4 months

B. 5 feet in 1 second

C. 45 people for 2 cars

D. 180 students to 5 teachers

Answer 1

Answer: A.

Explanation:

There are some words that allow you to identify unit rates without solving the problem (like per). Therefore, A is going to be your answer.

Answer 2

B. 5 feet in 1 second

Explanation:

1. A unit always has to have 1 as the denominator, and the only option with 1 as part of the statement, is option B.

I hope this helps!