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5 September, 12:45

An 8 by 18 ft wall has three 4 by 5 ft windows. the area of the three windows is what percent of the area of the entire wall (including the windows) ?

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  1. 5 September, 13:00
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    Area of windows = (3*4*5)

    = 60

    area of wall = 8*18

    = 144

    = (60:144) * 100

    =0.4167 * 100

    =41. 67% or

    =42 %
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