applelou216 applelou216

15-12-2014
Mathematics

contestada

Joe and Janna leave home at the same time, traveling in opposite directions. Joe drives 45 mph and Janna drives 40 mph. In how many hours will they be 510 miles apart?

Respuesta :

csilt96 csilt96

15-12-2014

510 = 45x + 40x
510 = 85x
Divide by 85
6 = x

6 hours

Answer Link

JamieFisher10 JamieFisher10

15-12-2014

The answer is 6 hours

Answer Link

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