Two people are painting a house. One person can paint the house by himself in 6 hours.
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- Two people are painting a house. One person can paint the house by himself in 6 hours. The other person can paint the house by herself in 9 hours. How long will it take them to paint the house together?
Related Book For
Introduction to Operations Research
ISBN: 978-1259162985
10th edition
Authors: Frederick S. Hillier, Gerald J. Lieberman
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