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MAth

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a concrete area measures 20ft on each side. the concrete slab will be 8 inches deep. how many cubic feet of concrete will be needed?
my set up is 20 x 20 + 32 ????

  • MAth -

    cubic feet= LWH=20*20*8/12=?

  • MAth -

    By the way, did you figure out that age problem?
    if x = 10
    then 6+3x = 36

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