A concrete crew can place 150 cubic yards per day. A project requires 2,250 cubic yards of concrete to be placed over 12 working days. How many crews are needed?
Correct Answer
D) 1.25 crews
Total concrete needed: 2,250 cy. Available crew-days: 12 days. Concrete per crew-day: 150 cy. Required crews: 2,250 ÷ (12 × 150) = 1.25 crews.
Why This Is the Correct Answer
Total concrete needed: 2,250 cy. Available crew-days: 12 days. Concrete per crew-day: 150 cy. Required crews: 2,250 ÷ (12 × 150) = 1.25 crews.
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