document.write( "Question 324602: a tank which has an inlet valve through which it get filled in 5 hours and outlet valve through which it becomes empty in 10 hours. when both are open how long will it take to fill the tank? \n" ); document.write( "
Algebra.Com's Answer #232352 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Filling or draining the complete tank is considered as 1 job\r \n" ); document.write( "\n" ); document.write( "filling in 5 hours \n" ); document.write( "so 1/5 of the job in 1 hour. \n" ); document.write( ".. \n" ); document.write( "draining in 10 hours \n" ); document.write( "1/10 of the job in 1 hour \n" ); document.write( ".. \n" ); document.write( "effective filling when both are open = \n" ); document.write( "1/5 - 1/10 hours \n" ); document.write( "10-5/50= 5/50= 1/10 \n" ); document.write( "when both are open \n" ); document.write( "1/10 of the job is done in 1 hour \n" ); document.write( "so it will take 10 hours to fill the tank \n" ); document.write( " |