document.write( "Question 817842: one pump fills a tank 2 times as fast as another pump.If the pump works together they fill the tank in 8 minutes. How long does it take for each pump to fill the tank? \n" ); document.write( "

Algebra.Com's Answer #492221 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "one pump fills a tank 2 times as fast as another pump.
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document.write( "Let x and  represent  their rates
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document.write( "If the pumps work together they fill the tank in 8 minutes. 
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document.write( "   |Multiplying thru by 8x so as all denominators = 1
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document.write( "   8 + 4 = x
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document.write( "    12min = x, the other pump takes 24min    \n" );
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