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21 January, 19:31

Rachel is running the Challenge of Champions obstacle race at her summer camp. She runs 7/8 of a mile, but then she twists her ankle while going up the Mounds of Doom. Rachel still has 5/8 of a mile left to run, so she drops out of the race. Which equation can you use to find the total distance d of the race?

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  1. 21 January, 19:57
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    Step-by-step explanation:

    Given:

    Distance ran before the injury, Di = 7/8 mile

    Distance left after the injury, Do = 5/8 mile

    Total distance of the race, Dt = distance ran before the injury, Di + distance left after the injury, Do

    Dt = Di + Do

    = 7/8 + 5/8

    = 12/8 mile.
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Home » Mathematics » Rachel is running the Challenge of Champions obstacle race at her summer camp. She runs 7/8 of a mile, but then she twists her ankle while going up the Mounds of Doom. Rachel still has 5/8 of a mile left to run, so she drops out of the race.
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