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

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Kira drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 8 hours. When Kira drove home, there was no traffic and the trip only took      Log On


   

Question 1094451: Kira drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took
8
hours. When Kira drove home, there was no traffic and the trip only took
5
hours. If her average rate was
21
miles per hour faster on the trip home, how far away does Kira live from the mountains?
Answer by josgarithmetic(39620) About Me  (Show Source):