document.write( "Question 1104400: Two pumps can fill a water tank in 60 minutes when working together. Alone, the second pump takes 9 times longer than the first to fill the tank. How long does it take the first pump alone to fill the tank? \n" ); document.write( "
Algebra.Com's Answer #719131 by josgarithmetic(39620)\"\" \"About 
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First pump, \"1%2Fx\" tank per minutes\r
\n" ); document.write( "\n" ); document.write( "Second pump, \"9%2Fx\" tanks per minutes\r
\n" ); document.write( "\n" ); document.write( "Both pumps together, \"1%2F60\" tank per minutes\r
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\n" ); document.write( "\n" ); document.write( "\"1%2F60=1%2Fx%2B9%2Fx\"
\n" ); document.write( "Solve this for x.
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