document.write( "Question 854113: a pool can be filled by one pipe in 20 hours and by a second pipe 60 hours. How long ? \n" ); document.write( "
Algebra.Com's Answer #514507 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! How long? very long! \n" ); document.write( "How long is what? the pipe? \n" ); document.write( "How long to drain the pool? \n" ); document.write( " |