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Earn +20 ptsQ: How many yards of concrete for 30'x30'x 4?
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How many yards of concrete needed for 24' X 30' X 4 slab?
11.852 cubic yards
How many yards of concrete is 400 square ft?
At a poured depth of 4 inches, you will need 4.94 cubic yards.
How many yards of concrete is 60x12 feet?
If the slab is the standard 4" deep, you will need at least 8.89 cubic yards.
How many square yards of concrete is in a 16' x 20' area at 4 inches thick?
16 * 20 = 320 sq ft. at 4" thick concrete will cover 80 sq ft. 320 / 80 = 4 yards.
How many yards of concrete are needed for a driveway that is 16' wide and 47' long and 4 thick?
16 ft * 47 ft * 4 inches =16/3 yards * 47/3 yards * 4/36 yards = 9.3 yards approx.
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