document.write( "Question 714932: a pool can be filled by one pipe in 5 hours and by a second pipe in 6 hours. How long will it take using both pipes to fill the pool? \n" ); document.write( "
Algebra.Com's Answer #439047 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 1/5+1/6=1/x \n" ); document.write( "(6+5)/5*6=1/x \n" ); document.write( "11/30=1/x cross multiply. \n" ); document.write( "11x=30 \n" ); document.write( "x=30/11 \n" ); document.write( "x=2.73 hours ans. \n" ); document.write( " \n" ); document.write( " |