Question 601956: Gina drives her new car at 60 miles per hour for 3 hours and then at 50 miles per hour for 2 hours. Find her average speed for the 5 hours Answer by flame8855(424) (Show Source):
You can put this solution on YOUR website! total distance = 60 mph*3 +50mph*2 = 180 +100 = 280.
total time = 3 + 2 = 5 hours
average speed = 280/5 = 56 miles / hour