SOLUTION: Jose can drive 5 times as fast as Pedro can ride his bicycle. If it takes Pedro 4 hours longer than Jose to travel 70 miles, how fast can Pedro ride his bicycle?

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Question 1076026: Jose can drive 5 times as fast as Pedro can ride his bicycle. If it takes Pedro 4 hours longer than Jose to travel 70 miles, how fast can Pedro ride his bicycle?

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
Let n be Pedros' speed on his bicycle. Then Joses' speed is 5n. So:
70/5n +4=70/n
70/n-70/5n=4
350-70=20n
n=350-70/20=14
Pedro bikes at 14 mph; Jose drives at 70 mph. ☺☺☺☺