document.write( "Question 153070: It takes a computer 8 days to print all of the letters for a sweepstakes. A new computer is purchased that can do the same job in 5 days. How long would it take both computers working on it. \n" ); document.write( "
Algebra.Com's Answer #112532 by checkley77(12844)\"\" \"About 
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8*5/(8+5)=40/13=3.077 hours to print the letters working together. \n" ); document.write( "
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