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Two companies working together can clear a parcel of land in 30 hours. Working alone, it would take Company A 3 hours longer to clear the land than it would Company B. How long would it take Company B to clear the parcel of land alone? (Round your answer to the nearest tenth.)

User Kamil W
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I think it would take Company B 15hrs to clear the land, and Company A would take 18hrs.
User Cmgchess
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