SOLUTION: Mary drove from amity to belleville at a speed of 50mi/h. On the way back, she drove at 60mi/h. The total trip took 4 hours and 24 minutesof driving time. What is the distance betw
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Question 325879: Mary drove from amity to belleville at a speed of 50mi/h. On the way back, she drove at 60mi/h. The total trip took 4 hours and 24 minutesof driving time. What is the distance between these two cities? Answer by solver91311(24713) (Show Source):
Let represent the distance between the two cities. Let represent the amount of time she drove 50 mph. Then since 4 hours 24 minutes equals 4.4 hours, represents the amount of time driven at 60 mph.
Then
describes the outbound trip and
describes the inbound trip, and, unless somebody picked Amity up and moved it while she was on the road or in Belleville, . Therefore:
