Question

A train travels 16 miles in 20 minutes At this rate , how many minutes will it take to trace 12 miles?

Answer 1

Write and solve an equation of ratios:

16 miles 20 min

----------- = -----------

12 miles x

Then 16x = 240, and x = 240/16 = 15.

It will take 15 minutes to travel 12 miles.

Answer 2

15 minutes

Explanation:

Train travels in 1 minute,

→ 16/20

→ 0.8 miles

Then time taken to travel 12 miles,

→ 12/0.8

→ 15 minutes

Hence, the answer is 15 minutes.