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18 May, 11:20

A rectangular table for the dining room has a surface area of 24 square feet. The length is two more feet than twice the width of the table. Find the length and width of the table.

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  1. 18 May, 12:18
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    W=3 feet, L=8 feet

    Step-by-step explanation:

    W=W

    L=2W+2

    W (2W+2) = 24

    2W²+2W=24

    2W²+2W-24=0, now factor

    (2W+8) (W-3) = 0

    2W+8=0, 2W=-8, w=-4; dimension can't be negative

    W-3=0, W=3, W = 3 feet

    L=2 (3) + 2 = L = 8 feet
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