SOLUTION: Two places P and Q are 324 kilometers apart. A man leaves P for Q and at the same time another man leaves Q for P. The men meet at the end of 12 hours. If the man from P to Q trave

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Two places P and Q are 324 kilometers apart. A man leaves P for Q and at the same time another man leaves Q for P. The men meet at the end of 12 hours. If the man from P to Q trave      Log On

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Question 982469: Two places P and Q are 324 kilometers apart. A man leaves P for Q and at the same time another man leaves Q for P. The men meet at the end of 12 hours. If the man from P to Q travels 8 km/hr faster than the other, find the speed of two men?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
r, unknown rate QtoP
t, travel time, both, t=12
k, rate difference, k=8
d, length in kilometers, PQ, d=324


_________________rate___________time____________distance
PtoQ_____________r+k_____________t_______________(r+k)*t
QtoP______________r______________t_______________r*t
Total_____________________________________________d

highlight%28%28r%2Bk%29t%2Brt=d%29;
Solve for r.