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22 November, 03:06

The perimeter of a pool table is 30 ft. The table is twice as long as it is wide. what is the length of the pool table.

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  1. 22 November, 03:30
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    Perimeter is legnth + legnth + width + width or

    P=2L+2W

    L=2W

    subsitute L=2W for L in P=2L+2W

    P=2 (2W) + 2W

    P=4W+2W

    P=6W

    we know that Perimiter=30 so

    30=6W

    divide both sides by 6

    5=Width

    subsitute W=5 for W in L=2W

    L=2 (5)

    L=10

    to check

    10=2 (10) + 2 (5)

    30=20+10

    30=30

    checks

    Legnght=10

    Width=5
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