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March 25, 2017

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Melissa and Emily leave by car from the same location traveling in opposite directions. Melissa leaves at 4:00 traveling at 55mph. Emily leaves at 5:00 traveling at 60 mph. At what time will they be at 325 miles apart?

  • Math story problem - ,

    when they are 325 miles apart, Melissa went for t hrs
    and Emily went for t-1 hours

    55t + 60(t-1) = 325
    55t + 60t - 60 = 325
    115t = 385
    t = 3.348 hrs or 3 hrs and 20.87 minutes

    at 7:21 they will be 325 miles apart.

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