It can take 12 hours to fill a swimming pool using two pipes. If the pipe with the larger diameter is used for 4 hours and the pipe of smaller diameter for 9 hours, only half of the pool can be filled, how long would the pipe with smaller diameter take to fill the pool ?
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It can take 12 hours to fill a swimming pool using two pipes. If the pipe with the larger diameter is used for 4 hours and the pipe of smaller diameter for 9 hours, only half of the pool can be filled, how long would the pipe with smaller diameter take to fill the pool ?
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