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OpenStudy (anonymous):
Paul can install a 300-square-foot hardwood floor in 18 hours. Matt can install the same floor in 22 hours. How long would it take Paul and Matt to install the floor working together?
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OpenStudy (anonymous):
options are 1. 4 hours 2. 9.9 hours 3. 13.2 hours 4. 30 hours
OpenStudy (anonymous):
Look : We have : 1/18+1/22 Answer that and then Reverse your answer !:)
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