Mathematics, 25.03.2021 21:20, firdausmohammed80

It takes pump A 2 hours less time that pump B to empty a swimming pool. Pump A is started at 8:00 a. m. and pump B is started at 10:00 a. m. At 12:00 p. m. 60% of the pool is empty when pump B broke down. How much time after 12:00 p. m. would it take pump A to empty the pool?

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It takes pump A 2 hours less time that pump B to empty a swimming pool. Pump A is started at 8:00 a....