document.write( "Question 441173: a water pump fills a reservoir in 4 hours. Another pump empties the same reservoir in 8 hours. If both pumps are turned on accidentally, how long will it take to fill the empty reservoir? \n" ); document.write( "
Algebra.Com's Answer #312293 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! t/4-t/8=1 \n" ); document.write( "2t-t=8 \n" ); document.write( "t=8 \n" ); document.write( "It will take 8 hours to fill the reservoir. \n" ); document.write( "1/4-1/8=1/t \n" ); document.write( "2/8-1/8=1/t \n" ); document.write( "1/8=1/t \n" ); document.write( "t=8.. \n" ); document.write( " |