document.write( "Question 1120279: a pipe can fill a pool in 9 hours, while a drain can empty it in 15 hours. if the pipe and drain were both opened at 12 noon, then at what time will the pool be filled? \n" ); document.write( "
Algebra.Com's Answer #735952 by Shin123(626)![]() ![]() You can put this solution on YOUR website! The pipe can fill 1/9 of the pool in a hour and the drain can “fill” -1/15 of the pool in a hour.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |