Joe can paint a fence in 3 hours and his friend can paint the fence in 4 hours. How long will it take them to do the job if they work together?

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Nursing School and Allied Health Entrance Exam: Mathematics Practice Test 3 — practice the complete quiz, review flashcards, or try a random question.


Joe can paint a fence in 3 hours and his friend can paint the fence in 4 hours. How long will it take them to do the job if they work together?






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