SOLUTION: Chang drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 10 hours. When Chang drove home, there was no traffic and the trip only took

Algebra.Com
Question 985296: Chang drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 10 hours. When Chang drove home, there was no traffic and the trip only took 7 hours. If his average rate was 18 miles per hour faster on the trip home, how far away does Chang live from the mountains?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!


GOING          r        10       d
BACK HOME     r+18       7       d


Both ways traveling are equal,but you want to solve for d.








Answer by MathTherapy(10552)   (Show Source): You can put this solution on YOUR website!

Chang drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 10 hours. When Chang drove home, there was no traffic and the trip only took 7 hours. If his average rate was 18 miles per hour faster on the trip home, how far away does Chang live from the mountains?
Distance:  miles 

RELATED QUESTIONS


Rafael drove to the mountains last weekend. There was heavy traffic on the way there, and  (answered by richwmiller)

Henry drove to the mountains last weekend. There was heavy traffic on the way there, and... (answered by stanbon)

 Elsa drove to the mountains last weekend. There was heavy traffic on the way there, and... (answered by ankor@dixie-net.com)

 Martina drove to the mountains last weekend. There was heavy traffic on the way there,... (answered by ikleyn,josgarithmetic,MathTherapy)

Felipe drove to the mountains last weekend. There was heavy traffic on the way there, and  (answered by mananth,josgarithmetic,greenestamps)

Keisha drove to the mountains last weekend. There was heavy traffic on the way there, and  (answered by mananth,MathTherapy)

Martina drove to the mountains last weekend. There was heavy traffic on the way there,... (answered by Alan3354)

Maria drove to the mountains last weekend. There was heavy traffic on the way there, and... (answered by mananth)

Martina drove to the mountains last weekend. There was heavy traffic on the way there,... (answered by mananth)