document.write( "Question 1199624: Let's say you have 4 painters that have completed 12 rooms in 8 hours. Assuming they are working at the same efficiency, how many hours does it take 7 painters to paint 21 rooms?
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Algebra.Com's Answer #833572 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"%28NUMBERofWORKERS%29%28WORKRATE%29%28TIME%29=AMOUNTofWORK\"\r
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\n" ); document.write( "\n" ); document.write( "4 painters that have completed 12 rooms in 8 hours.
\n" ); document.write( "\"4%2Ar%2A8=12\"\r
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\n" ); document.write( "\n" ); document.write( "how many hours does it take 7 painters to paint 21 rooms?
\n" ); document.write( "x, number of asked hours of time\r
\n" ); document.write( "\n" ); document.write( "\"7rx=21\"\r
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\n" ); document.write( "\n" ); document.write( "Divide entire second equation by entire first equation, and solve for x.
\n" ); document.write( "The number r will simply not be needed (cancels in the operation).\r
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\n" ); document.write( "\n" ); document.write( "\"%287rx%29%2F%284%2A8%2Ar%29=21%2F12\"\r
\n" ); document.write( "\n" ); document.write( "\"%287%2F%284%2A8%29%29x=%287%2A3%29%2F%284%2A3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%284%2A8%2A7%2A3%29%2F%284%2A3%2A7%29\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=8%29\"
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