rate of first trip --- x mph
rate of return trip = x+22 mph
6x = 4(x+22)
solve for x , then evaluate 6x
Laura drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took
6
hours. When Laura drove home, there was no traffic and the trip only took
4
hours. If her average rate was
22
miles per hour faster on the trip home, how far away does Laura live from the mountains?
2 answers
264 miles
2 answers