document.write( "Question 1002869: The Department ot Education is holding their annual Brigada Eskwela to prepare and clean up the classrooms.Kimberly can paint a chair in 45 minutes.Arthur can paint the same chairs in 30 minutes. If they work together, how long will it take them to paint six chairs. \n" ); document.write( "
Algebra.Com's Answer #853939 by josgarithmetic(39792)\"\" \"About 
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document.write( "                RATE              TIME         CHAIRS\r\n" );
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document.write( "Kimberly        1/45              45             1\r\n" );
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document.write( "Arthur          1/30              30             1\r\n" );
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document.write( "Combined       1/45+1/30           t            6\r\n" );
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\n" ); document.write( "For the combined rate, the expression, best denominator to use should be 90.\r
\n" ); document.write( "\n" ); document.write( "\"2%2F90%2B3%2F90=5%2F90=highlight_green%281%2F18%29\" when reduced.\r
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\n" ); document.write( "\n" ); document.write( "\"%281%2F18%29t=6\"\r
\n" ); document.write( "\n" ); document.write( "\"t=18%2A6\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28t=108%29\" \n" ); document.write( "
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