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18 February, 09:30

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?

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Answers (2)
  1. 18 February, 09:41
    0
    510 = 45x + 40x

    510 = 85x

    Divide by 85

    6 = x

    6 hours
  2. 18 February, 10:05
    0
    The answer is 6 hours
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