2017 AMC 12A Problems/Problem 13
Problem
Driving at a constant speed, Sharon usually takes minutes to drive from her house to her mother's house. One day Sharon begins the drive at her usual speed, but after driving of the way, she hits a bad snowstorm and reduces her speed by miles per hour. This time the trip takes her a total of minutes. How many miles is the drive from Sharon's house to her mother's house?