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It takes Skyler 10 hours to rake the front lawn while his brother, Sergio, can rake the lawn in 6 hours.  How long will it take them to rake the lawn working together?
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It takes Skyler 10 hours to rake the front lawn while his brother, Sergio, can rake the lawn in 6 hours.  How long will it take them to rake the lawn working together?

User Jaks
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1 Answer

8 votes
The answer is 15/4 , or 3.75 or 3 3/4

User Mark Mascolino
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