SOLUTION: Pedro can drive 4 times as fast as Rico can ride his bicycle. If it takes Rico 3 hours longer than Pedro to travel 76 miles, how fast can Rico ride his bicycle?

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Question 999149: Pedro can drive 4 times as fast as Rico can ride his bicycle. If it takes Rico 3 hours longer than Pedro to travel 76 miles, how fast can Rico ride his bicycle?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Pedro can drive 4 times as fast as Rico can ride his bicycle. If it takes Rico 3 hours longer than Pedro to travel 76 miles, how fast can Rico ride his bicycle?
Rico's speed x
Rico's time = 76/x
Pedro can drive 4 times as fast as Rico can ride
speed = 4x
Pedro's time = 76/4x

If it takes Rico 3 hours longer than Pedro to travel 76 miles,
Rico's time - Pedro's time = 3
76%2Fx+-76%2F4x+=3
%28304-76%29%2F4x+=+3

228 =12x
x=19 mph