It takes 3 hours and 30 minutes for 5 bulldozers to prepare an area for a stadium. How long would it take 7 bulldozers to prepare the same area? (make a table)
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Answer:
to prepare same 0 minutes because already prepared
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Step-by-step explanation:
3hrs 30 min =210 min
time takin for 5 bulldozer =210min
time taken by 1 bulldozer =210/5
time taken by 7 bulldozer =210×7/5 = 42×7=294 min
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