Question

Mary can run 5 kilometers in 18.75 minutes.

At this rate, how long would it take to run 8 kilometers?

Answer 1

30 minutes

Explanation:

Find the unit rate (time per SINGLE kilometer).

5/5=1 18.75/5=3.75

Multiply 3.75 (unit rate) by 8.

3.75 x 8=30