A car travels 221 miles in 3 hours and 15 minutes How many m

A car travels 221 miles in 3 hours and 15 minutes. How many miles per hour did the car travel?

Solution

convert 15 minutes into a fraction af an hour by dividing 15/60=.25. So the total time was 3.25 hours and the distance was 221 miles so the speed was 221/3.25=68 miles per hour.