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Mathematics, 03.11.2019 21:31 11232003
Two are used to fill the swimming pool. pipe a alone fill the tank in 4 hours and pipe b fill the tank in 4 hours. if both pipe s together filled a can turned on and b is turned on 30 minutes later find the take n by each pipe to fill the tank
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Two are used to fill the swimming pool. pipe a alone fill the tank in 4 hours and pipe b fill the ta...
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