Anne can paint a room in 2 hours, and Barbara can paint the same room in 3

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Anne can paint a room in 2 hours, and Barbara can paint the same room in 3 hours. If they each work the same rate when they work together as they do alone, how many hours should it take them to paint the same room if they work together? 


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Related Book For  answer-question

McGraw-Hill Education SAT 2017

ISBN: 9781259641657

1st Edition

Authors: Christopher Black, Mark Anestis

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