On Saturday, Lindsay walked 3.1/2 miles in 1.2/5 hours. What was her walking pace in miles per hour? Write in simplest form

You have a distance in miles and a time in hours.

You want a speed in miles per hour.

Speed is distance divided by time.

You need to divide 3 1/2 miles by 1 2/5 hours.

First, change each mixed numeral into a fraction.

Then divide the fractions.