You can paint a certain room in 7 hours. Your brother can do it in 4 hours.
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You can paint a certain room in hours. Your brother can do it in hours. How many hours does it take the two of you working together to paint the room?
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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