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4. A certain tap can fill a tank in 10 hours andanother tap can do so in 5 hours. The first tap isopened and allowed to run for 2 hours. Then thesecond tap is also opened. How long will it taketotal time) for the tank to be filled? The answer is (4:45) minutes, So can anybody explain me please? |
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Answer» Step-by-step explanation: |
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