SOLUTION: A cyclist covers 30km at a uniform speed. If he had ridden 5km/h faster, he would have saved an hour in travelling time. What was his speed?

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Question 1127324: A cyclist covers 30km at a uniform speed. If he had ridden 5km/h faster, he would have saved an hour in travelling time. What was his speed?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39620)   (Show Source): You can put this solution on YOUR website!
Speed r for 30 km;
speed r+5 for 30 km;
Time difference, 1 hour


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Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.

You need to find two divisors of the number 30  (two velocities), that differ by 5 and produce quotients that differ by 1  

    (the time difference).



The divisors  10 and 15 are good candidates, that produce the velocities 10 and 15 kilometers per hour.     Answer

Mental solution.


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