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From a point on a straight​ road, Marco and Celeste ride bicycles in the same direction. Marco rides at 14 mph and Celeste rides at 18 mph. In how many hours will they be 25 mi​ apart?

In ___hours they will be 25 mi apart

User Demita
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1 Answer

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their relative speed is 4 mph. so we put

4 mph = (25 mi)/x => x=25/4.

User Dontocsata
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