Question

When Sarah does her math homework, she finishes 10 problems every 12 minutes. How long will it take for her to complete 35 problems? Use the unit rate or set up a proportion to solve.

Answer 1

For 35 problems, 42 minutes pass.

Step-by-step explanation:

1. 12 divided by 10 equals = 1.2

2. 35 multiplied by 1.2 = 42

Answer 2

It will take Sarah 42 minutes to solve 35 problems.

Explanation:

`(10)/(12)= (35)/(y)\\10y = 35*12=420\\y=42`