Problem:
Two boys and start at the same time to ride from Port Jervis to Poughkeepsie, miles away. travels miles an hour slower than . reaches Poughkeepsie and at once turns back meeting miles from Poughkeepsie. The rate of was:
Answer Choices:
A. mph
B. mph
C. mph
D. mph
E. mph
Solution:
Notice that and both travel for the same amount of time. Since travels miles while travels miles, we have