Trains and math

Question

A train travels 25 miles in 20 minutes. What is the trains speed in mph?

Answer 1

20 minutes is equivalent to 1/3 of an hour. To find the number of MPH, you can multiply the rate by 3 :

25 miles in 20 minutes is equal to 75 miles per hour.

You could also multiply as follows:

25 miles * 60 minutes = 1500 miles = 75 miles

20 minutes 1 hour 20 hours 1 hour