Jimmy drives his car 270 kilometers in the same time that Raymond drives his car 250 kilometers. If Jimmy averages 4 kilometers per hour faster than Raymond, find their rates.
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Answer:
Speed of Raymond is 50kmph and that of Jimmy is 54kmph.
Step-by-step explanation:
Assume the speed of raymond is x kmph
then speed of Jimmy is x+4 kmph
therefore
250/ x = 270/ x+4
=》 25x + 100 = 27x
=》 27x - 25x = 100
=》 x = 50
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