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15 March, 04:48

jamie is running a race that is 26.2 miles long and she is running at a speed of 8 miles per hour. she has completed 3/4 of the race already. How much longer will it take her to finish the race?

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  1. 15 March, 06:15
    0
    49 1/8 minutes is how long ...
  2. 15 March, 08:15
    0
    49 1/8 minutes

    Step-by-step explanation:

    Jamie has 1/4 of the 26.2 mile distance to go, so must finish ...

    (26.2 mi) / 4 = 6.55 mi

    The time in hours required to do that is found by dividing distance by speed:

    time = distance/speed = (6.55 mi) / (8 mi/h) = 0.81875 h

    In minutes, this is ...

    (0.81875 h) * (60 min/h) = 49.125 min = 49 1/8 min

    It will take Jamie 49 1/8 minutes to finish the race at her current speed.
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