SOLUTION: If 1000 articles of a given type can be turned out by first machine in 10 hours, by a second machine in 7 hours, and by a third in 6 hours, how long will it take to turn out the ar

Question 1168769: If 1000 articles of a given type can be turned out by first machine in 10 hours, by a second machine in 7 hours, and by a third in 6 hours, how long will it take to turn out the articles with all machines working?

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!

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