megan drove from her house to work at an average speed of 45 miles per hour. the driver took her 20 minutes. if the drive home took her 30 minutes and she used the same route in reverse, what was her average speed going home?

Question

mathstudent55 · Answer

speed = distance/time, so
distance = speed * time

Going to work, she drove at 45 mph for 20 minutes. 20 minutes is what part of an hour?
Find the distance by multiplying the speed by the time.