SOLUTION: Alan drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Alan drove home, there was no traffic and the trip only took

Question 914160: Alan drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took
8
hours. When Alan drove home, there was no traffic and the trip only took
5
hours. If his average rate was
21
miles per hour faster on the trip home, how far away does Alan live from the mountains?
Do not round
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
( average rate ) = ( total distance ) / ( total time )
Let = total distance traveled

mi
------------------
The distance from the mountains is 1/2 the
total distance

Alan lives 136.5 miles from the mountains

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