document.write( "Question 1108166: Working together, Amy and Bob can complete a job in 12 hours, Working lone, it takes Amy 4/3 as much as bob to do the job. How long will it take each to do the job, working alone? \n" ); document.write( "
Algebra.Com's Answer #723150 by josgarithmetic(39617)\"\" \"About 
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Bob, y hours for 1 job
\n" ); document.write( "Amy, (4/3)y hours for 1 job\r
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\n" ); document.write( "\n" ); document.write( "\"1%2F%28%284%2F3%29y%29%2B1%2Fy=1%2F12\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "\"3%2F%284y%29%2B1%2Fy=1%2F12\"\r
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\n" ); document.write( "\n" ); document.write( "\"12y%283%2F%284y%29%2B1%2Fy%29=12y%2F12\"\r
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\n" ); document.write( "\n" ); document.write( "\"9%2B12=y\"\r
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\n" ); document.write( "\n" ); document.write( "\"highlight%28y=21%29\"---------Bob does 1 job in 12 hours, alone.\r
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\n" ); document.write( "\n" ); document.write( "-\r
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\n" ); document.write( "\n" ); document.write( "\"%284%2F3%29%2A21\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%2828%29\"----------Amy can do 1 job alone in 28 hours.
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