document.write( "Question 895804: It takes Tony 4 minutes to unload his truck, and it takes Nick 12 minutes. How long will it take them if they work together? \n" ); document.write( "
Algebra.Com's Answer #543018 by josgarithmetic(39620)\"\" \"About 
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Each rate is 1/4 and 1/12, unit is job/minute.\r
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\n" ); document.write( "\n" ); document.write( "Both together, the time for the job is
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