document.write( "Question 421865: one pipe can fill the pool in 6 hours.another pipe can fill the pool in 8 hours .if both pipes are open,how long will it take the pool to be filled? \n" ); document.write( "
Algebra.Com's Answer #294501 by mananth(16946) You can put this solution on YOUR website! Filling the tank is one job \n" ); document.write( "One pipe fills in 6 hours \n" ); document.write( "It does 1/ 6 of the job in 1 hours \n" ); document.write( "other pipe 8 hours \n" ); document.write( "It does 1/ 8 of thejob in 1 hours \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "Together they will do 1/6+ 1/8 of the job in 1 hour \n" ); document.write( "Together they will do 7/24 of the job in one hour \n" ); document.write( "So they will take 24/7 hours \n" ); document.write( "OR 3.43 hours \n" ); document.write( " \n" ); document.write( " |