Posted by **Ruth** on Sunday, September 22, 2013 at 8:15pm.

Susan's backyard has three faucets: A, B and C. If she turns on all three of them, it takes 380 minutes to fill the pool. If she turns on only A and B, it takes 570 minutes, and if she turns on only B and C, it takes 760 minutes. If she turns on only A and C, how long will it take (in minutes) to fill the pool?

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