SOLUTION: Two cars leave a restaurant and travel in opposite directions. One travels at a rate of 75 kilometers per hour and the other at 98 kilometers per hour. In how many hours will the

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: Two cars leave a restaurant and travel in opposite directions. One travels at a rate of 75 kilometers per hour and the other at 98 kilometers per hour. In how many hours will the      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 714128:
Two cars leave a restaurant and travel in opposite directions. One travels at a rate of 75 kilometers per hour and the other at 98 kilometers per hour. In how many hours will they be 692 kilometers apart?
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
D=RT
D=75T
D=98T
692=75T+98T
692=173T
T=692/173
T=4 HOURS. ANS.
PROOF:
692=75*4+98*4
692=300+392
692=692