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A man can make 12 birdhouses in 8 hours. How many hours will it take him to make 30 birdhouses?
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A man can make 12 birdhouses in 8 hours. How many hours will it take him to make 30 birdhouses?

User Steven Scotten
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20 hours because he makes 6 birdhouses in 4 hours and 5*6=30 so you need to multiply 4 times 5 because you did it to the birdhouses and you get 20
User Levi Cowan
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