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24 February, 17:37

A rectangular front porch has a perimeter of 30 feet. Its area is 50 square feet. What are the dimensions of the porch?

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  1. 24 February, 17:41
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    5 ft x 10 ft

    Step-by-step explanation:

    2w+2l=30

    lw=50

    l=50/w

    2w+2 (50/w) = 30

    2w+100/w=30

    2w^2+100=30w

    2w^2-30w+100=0

    w=5, 10

    Therefore, the dimensions are 5x10
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