SOLUTION: rolly and romy are 15 kilometers apart and are walking toward each other. If rolly is walking at a rate of 7 kph and romy at a rate of 3 kph, in how many hours will they meet? n

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: rolly and romy are 15 kilometers apart and are walking toward each other. If rolly is walking at a rate of 7 kph and romy at a rate of 3 kph, in how many hours will they meet? n      Log On

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Question 819820: rolly and romy are 15 kilometers apart and are walking toward each other. If rolly is walking at a rate of 7 kph and romy at a rate of 3 kph, in how many hours will they meet?
need the representation only.. :)
Thank you...

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
rolly and romy are 15 kilometers apart and are walking toward each other. If rolly is walking at a rate of 7 kph and romy at a rate of 3 kph, in how many hours will they meet?
need the representation only.. :)
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Rolly time = distance/rate = x/7 hrs
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Rolly time (15-x)/3 hrs.
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Since they meet at the same time::
x/7 = (15-x)/3
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Cheers,
Stan H.
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