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15 September, 18:51

Suppose that you are building a shed and need to pour concrete slab to support it you know this lab will be 15 feet wide 10 feet long and 6 inches deep concrete is usually sold by the cubic yard how many cubic yards of concrete what you need for the slab?

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  1. 15 September, 19:16
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    So,

    To find the cu³ of the slab, multiply the dimensions.

    15 * 10 * 6 = ?

    150 * 6 = ?

    900 = ?

    In feet³, the slab needs to be 900ft.³

    We don't want ft.³ We want yd.³

    3 ft. = 1 yd.

    900/3 = x

    300 = x

    You need a concrete slab with a volume of 300yd.³ (300 cubic yards).
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