document.write( "Question 801748: Three workers can do a job in 12 days. Two of the workers work twice as fast as the third.
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Algebra.Com's Answer #483621 by josgarithmetic(39617) $\"\"$ $\"About$

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Examine the rates of each worker. You have one slow worker and two fast workers. The slow worker needs 2d days to do one job, so $\"1%2F%282d%29\"$ is this slow worker rate. The fast workers each could do one job in d days, so each of his rate is $\"1%2Fd\"$ job per day. The three workers acting together have the rate $\"1%2F12\"$ jobs per day.\r
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\n" ); document.write( "\n" ); document.write( "Using the original description, first sentence, and the rate expressions of the three workers, formulate the equation for these three workers when acting together:\r
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\n" ); document.write( "\n" ); document.write( " $\"highlight%281%2F%282d%29%2B1%2Fd%2B1%2Fd=1%2F12%29\"$ since each rate adds simply. Solve for d. This will be how many days working alone one fast worker can do this 1 job. \n" ); document.write( "

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