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Your younger brother is pulling his sled up a hill. Each minute he moves forward 20 feet but also slides back 3 feet. Describe how you can determine the time he needs to pull his sled 130 feet forward.

ANSWER NOW!!!

  • math -

    d = rt,
    t = d/r = 130 ft / (20 - 3)ft/min = 7.65 min.

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