Mathematics, 04.12.2021 04:50, sophiamoser
When two pumps are used, they can fill a tank in 60 minutes. When the first pump is used alone, the tank will be filled in 150 minutes. When x represents the time it takes the second pump to fill the tank when used alone, the situation is represented by this equation: 15 += How long would it take the second pump, working alone, to fill the tank? . OA 75 minutes B. 90 minutes Ос. 100 minutes OD 120 minutes
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When two pumps are used, they can fill a tank in 60 minutes. When the first pump is used alone, the...
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