document.write( "Question 937020: Randy and Paul can do a piece of work in 10 days; Randy and guy can do it in 8 days; Paul and Guy can do it in 12 days. How long will it take to each to do it alone ? \n" ); document.write( "
Algebra.Com's Answer #570527 by josgarithmetic(39625)\"\" \"About 
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Rates r, p, g.\r
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\n" ); document.write( "\n" ); document.write( "The work rate of people working on the job at the same time is the sum of their rates. The unit for a rate is JOBS per DAY for your example problem.\r
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\n" ); document.write( "\n" ); document.write( "\"system%28r%2Bp=1%2F10%2Cr%2Bg=1%2F8%2Cp%2Bg=1%2F12%29\"\r
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\n" ); document.write( "\n" ); document.write( "The numbers r, p, g handled in this way will be fractions.
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