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A speedy tortoise can run at .01 meters per second, and the hare can run 21 times as fast. I. A race they start at the same time, but the hare stops for 1.5 minutes so the tortoise wins by a shell(20cm).
How long is the race?
How long is the path?

  • Physics - ,

    Let T be the duration of the race (seconds) and X be the distance traveled to the finish line (cm).
    1* T = X (distance traveled by tortoise)
    21(T - 90) = X - 20 (distance traveled by hare)

    First eliminate X by substitution.
    21 T - 1890 = T - 20
    20 T = 1870
    T = 93.5 seconds
    X = T = 93.5 cm

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