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21 June, 06:10

Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 18 feet by 18 feet by 6 inches for a patio if the concrete costs $42.00 per cubic yard?

252.00

756.00

1,134,00

6,804,00

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Answers (2)
  1. 21 June, 06:44
    0
    Volume of slab = 18 feet * 18 feet * 6 inches = 6 yards * 6 yards * 1/6 yards = 6 cubic yards.

    Cost of 1 cubic yard = $42

    Cost of 6 cubic yards = $42 * 6 = $252
  2. 21 June, 09:56
    0
    18 feet = 18/3 yard = 6 yard

    6 inches = 1/2 feet = 1/6 yard

    Volumen = (6yar) (6yard) (1/6yard) = 6 cubic yard

    Cost = 6 cubic yard * $42.00 / cubic yard = $ 252.00

    Answer: the first option, 252.00
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