document.write( "Question 912818: One clerk can file 12 folders per minute and a second clerk, 9. How long will it take them working together to file 672 folders? \n" ); document.write( "
Algebra.Com's Answer #554227 by richwmiller(17219)\"\" \"About 
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12x+9x=672
\n" ); document.write( "21x=573
\n" ); document.write( "x=672/21
\n" ); document.write( "x=32 minutes
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