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Mathematics, 09.12.2021 04:30 valenzueladomipay09u
a dairy plant can be filled in 3 hours using the in-valve. Using the out-valve, the tank can be emptied in 12 hours. If both are open and milk is being pumped into the tank how long will it take to fill the tank
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a dairy plant can be filled in 3 hours using the in-valve. Using the out-valve, the tank can be empt...
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