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25 November, 16:08

A rectangular countertop has a perimeter of 26 feet. its area is 30 square feet. what are the dimensions of the counter?

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  1. 25 November, 19:15
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    P=26=2 * (l+L)

    ⇒ l+L=26:2=13 feet

    l=3, L=10

    A=l*L=30=10*3

    ⇒ l=3 feet

    L=10 feet
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