SOLUTION: Mr. Santos can mow his lawn in 4 hours. Mr. Cruz can do the same job in 5 hours. How long will it take them to do the job if they work together?
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Polynomials-and-rational-expressions
-> SOLUTION: Mr. Santos can mow his lawn in 4 hours. Mr. Cruz can do the same job in 5 hours. How long will it take them to do the job if they work together?
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Question 1184542: Mr. Santos can mow his lawn in 4 hours. Mr. Cruz can do the same job in 5 hours. How long will it take them to do the job if they work together? Answer by ikleyn(52752) (Show Source):
