Tammy drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took
7
hours. When Tammy drove home, there was no traffic and the trip only took
5
hours. If her average rate was
18
miles per hour faster on the trip home, how far away does Tammy live from the mountains?
Do not do any rounding.
How many miles?

Question

Tammy drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 
7
 hours. When Tammy drove home, there was no traffic and the trip only took 
5
 hours. If her average rate was 
18
 miles per hour faster on the trip home, how far away does Tammy live from the mountains?
Do not do any rounding.
How many miles?

ebonyserrano · Answer

@Owen_Turner

owen_turner · Answer

Let x be the Tammy's speed driving towards the mountains.
speed times time is equal to distance or r t = d.
Solve the following for x, the average speed to the mountains:
8x=5(x+18)
  x = 30 mph
8x = 240 miles

owen_turner · Answer

I hoped this helped :)

owen_turner · Answer

7* I forgot that is what it was