Two pipes, A and B, can fill a tank in 12 hours and 15 hours respectively. How long would it take to fill the tank if both work together?
Two pipes, A and B, can fill a tank in 12 hours…
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Written by
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Two pipes, A and B, can fill a tank in 12 hours and 15 hours respectively. How long would it take to fill the tank if both work together?
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