Aljur clean a room in 10 hours. If his older brother Nathan helps, they can clean it
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Aljur clean a room in 10 hours. If his older brother Nathan helps, they can clean it in 4.2 hours. How long would it take Nathan to do the job alone?
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Operations Management Creating Value Along the Supply Chain
ISBN: 978-0470525906
7th Edition
Authors: Roberta S. Russell, Bernard W. Taylor
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