Question

a car traveled 187 miles in 3 hours and 24 minutes what was the average speed of the car in miles per hour

Answer 1

3 hours and 24 minutes is 3.4 hours.

187 miles = 3.4 hours
divide both sides by 3.4

55 miles = 1 hour

The average speed of the car is 55mph.

Answer 2

speed=distance over time sOo, 187/3.4 (converting it all to hour) equals 55.