document.write( "Question 34327: when working alone, Gail can finish her paper route in 6hrs. When Mike substitutes for her, he can complete the job in 9 hrs. If they work together, how long should it take them ?
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document.write( "I dont quite get what does \"paper route\" mean? what is that? \n" );
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Algebra.Com's Answer #20583 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! SEE THE FOLLOWING AND TRY \n" ); document.write( "Pump A can fill a tank in 6 hours. Pump A and B together can fill the same tank in 3.5 hours. How long will it take to pump B to fill the tank alone? Can you show me how to do this problem? Thank you.\r \n" ); document.write( "\n" ); document.write( "1 solutions \n" ); document.write( "Answer 20208 by venugopalramana(1495) About Me on 2006-04-17 01:14:18 (Show Source): \n" ); document.write( "Pump A can fill a tank in 6 hours. \n" ); document.write( "A FILLS IN 1 HOUR..............1/6 TANK \n" ); document.write( "Pump A and B together can fill the same tank in 3.5 hours. \n" ); document.write( "A&B FILL IN 1 HOUR..........1/3.5 TANK=10/35=2/7 TANK \n" ); document.write( "SO IN 1 HOUR B FILLS 2/7 - 1/6 = (2*6-1*7)/(6*7)=5/42...TANK \n" ); document.write( "SO PUMP B ALONE WILL TAKE 1/(5/42) HRS TO FILL THE TANK =42/5=8.4 HRS. \n" ); document.write( "How long will it take to pump B to fill the tank alone? \n" ); document.write( "Can you show me how to do this problem? Thank you. \n" ); document.write( " |