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26 June, 18:12

A full lake begins dropping at a constant rate. After 4 weeks it has dropped 3 feet. What is the unit rate of change in the lake's level compared to it's full level?

choices: (a) 0.75 (b) 1.33 (c) - 0.75 (d) - 1.3

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  1. 26 June, 19:06
    0
    (-3 ft) / (4 weeks) = - 3/4 ft/wk = - 0.75 ft/wk

    The most approriate choice is ...

    ... (c) - 0.75
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