A concrete slab requires 450 cubic yards of concrete with a water-cement ratio of 0.45. If each bag of cement weighs 94 pounds and the cement content is 564 pounds per cubic yard, how many bags of cement are needed?
Correct Answer
B) 2,700 bags
450 cu yd × 564 lb/cu yd = 253,800 lb total cement. 253,800 lb ÷ 94 lb/bag = 2,700 bags.
Why This Is the Correct Answer
450 cu yd × 564 lb/cu yd = 253,800 lb total cement. 253,800 lb ÷ 94 lb/bag = 2,700 bags.
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