document.write( "Question 436643: A pool can be filled with one pipe in 8 hours, whereas a second pipe requires 20 hours to fill the
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document.write( "pool. How long would it take to fill the pool with both pipes turned on? \n" );
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Algebra.Com's Answer #312684 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x/8+x/20=1 \n" ); document.write( "x/2+x/5=4 \n" ); document.write( "5x+2x=40 \n" ); document.write( "7x=40 \n" ); document.write( "x=40/7 hours \n" ); document.write( "x=5 5/7 hrs \n" ); document.write( " \n" ); document.write( " |