document.write( "Question 579689: One drain pipe can empty a swimming pool in 6 h another pipe takes 3 h if both pipes are used at the same time to drain the pool what part of the job is completed in 2 h? in x h? \n" ); document.write( "
Algebra.Com's Answer #371045 by mananth(16949) You can put this solution on YOUR website! Emptying the pool is one job \n" ); document.write( "Faucet I 6 hours \n" ); document.write( "It does 1/ 6 of the job in 1 hour \n" ); document.write( "Faucet II 3 hours \n" ); document.write( "It does 1/ 3 of thejob in 1 hour \n" ); document.write( "Together they will do 1/ 6 + 1/ 3 \n" ); document.write( "Together they will do 1/ 2 of the job in one hour\r \n" ); document.write( "\n" ); document.write( "So in 2 hours they will complete emptying the pool \n" ); document.write( " |