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30 July, 05:35

Stacy travels 5 times as fast as Eric. Traveling in opposite directions, they are 336 miles apart after 4 hours. Find their rates of travel.

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  1. 30 July, 07:07
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    Eric travelled at 21miles per hour

    while stacy travelled at 105miles per hour.

    Explanation:

    speed = distance/time

    then distance = speedxtime.

    speed = x

    time = 4hrs

    Eric's distance after 4hrs = 4x

    since stacy is 5 times faster than eric =

    stacy's distance = (5x) 4 = 20x

    Stacy's distance - Eric's distance = 336m

    20x - 4x = 336Miles

    16x = 336miles

    x = 336/16

    x = 21miles per hour

    so Eric was travelling at 21miles per hour

    While Stacy was travelling at 105 miles per hour.
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