Question 899929
An ambulance travels 315 miles in 4 hours 30 minutes. At what average speed does it travel ?

4 hours 30 minutes = 4.5 hours = 4 1/2 hours


4 1/2 = 9/2


315 / (9/2) = 315 * 2/9


315 * 2 = 630


630 / 9


Average speed:


70 mph