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PLZ HELP ASAP One pump fills a tank 4 times as fast as another pump. If the pumps work​ together, they fill the tank in 20 minutes. How long does it take for the faster pump to fill the​ tank?
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PLZ HELP ASAP One pump fills a tank 4 times as fast as another pump. If the pumps work​ together, they fill the tank in 20 minutes. How long does it take for the faster pump to fill the​ tank?

User Willian Arana
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1 Answer

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It takes the faster pump 12 minutes to fill the tank.

Since the faster truck can produce 60% more than the other truck. 60% of 20 minutes is 12.
User Sojourner
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