Question

Justin can run 13.1 miles in 2 hours and 3 minutes. At that rate, how many minutes should it take him to run 20 miles? round to the nearest tenth.​

Answer 1

Answer:

$187.8\ minutes$

Step-by-step explanation:

step 1

Convert the time in minutes

$2h\ 3min=2*60+3=123\ min$

step 2

By proportion

$\frac{123}{13.1}\frac{minutes}{miles}=\frac{x}{20}\frac{minutes}{miles}\\ \\x=123*20/13.1\\ \\x=187.8\ minutes$