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18 June, 05:40

Siobhan wants to have a beach party in January. Her parents said she can use the garage, which is 36 feet long and 20 feet wide. If she wants to cover the floor with 2 inches of sand, how much sand does she need?

120 cubic feet

720 cubic feet

1440 cubic feet

4320 cubic feet

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Answers (1)
  1. 18 June, 06:35
    0
    Area of the garage:

    A = L x W = 36 x 20 = 720 ft².

    Siobhan wants to cover the floor with the 2 inches of sand. It means:

    h = 2 in

    1 ft = 12 in

    1 in = 1 : 12 = 0.0833 ft

    h = 2 · 0.0833 = 0.166 ft

    V = A · h = 720 · 0.166 ≈ 120 ft²

    Answer: A) 120 cubic feet.
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