document.write( "Question 1148629: Hi\r
\n" ); document.write( "\n" ); document.write( "bob takes 4 hours to clean a room. Alan takes 2 hours. If bob started at 3pm and alan at 4pm what time did they finish.\r
\n" ); document.write( "\n" ); document.write( "thanks
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Algebra.Com's Answer #769984 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
x, variable time hours\r
\n" ); document.write( "\n" ); document.write( "RATES 1/4 for bob, 1/2 for alan\r
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\n" ); document.write( "\n" ); document.write( "\"%281%2F4%29%2A1%2B%281%2F4%2B1%2F2%29x=1\"
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\n" ); document.write( "\"1%2F4%2B%281%2F4%2B1%2F2%29x=1\"\r
\n" ); document.write( "\n" ); document.write( "\"1%2B%281%2B2%29x=4\"\r
\n" ); document.write( "\n" ); document.write( "\"3x=3\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=1%29\"\r
\n" ); document.write( "\n" ); document.write( "They both worked together for one hour. One hour past 4pm is 5pm.\r
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\n" ); document.write( "\n" ); document.write( "They both finished at \"highlight%285pm%29\".
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