it takes 12 hours to fill a swimming pool using two pipes if the pipe of larger diameter is used for 4 hours and the pipe of smaller diameter is used for 9 hours only half of the pool is filled how long would is pipe have to take to fill a swimming pool. Plz do it fast guys
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The larger diameter should be 8 hours and the smaller diameter should be 18 hours
anna45:
no. its not rigt
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larger 8 and small 18
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