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15 December, 13:07

A rock climber's elevation above sea level changed - 82 1/2 feet in 2 1/4 minutes as she descended.

What was the climber's average change in elevation per minute?

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  1. 15 December, 13:22
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    A rock climber's elevation above sea level changed - 82 1/2 feet in 2 1/4 minutes as she descended.

    so the the climber's average change in elevation per minute was:

    x = - 82 1/2 / 2 1/4x = (-165/2) / (9/4) x = (-165/2) x (4/9) x = - 18 feet per minute is his change in elevation
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