document.write( "Question 928391: when 12 workers doing 1 work in 12 days then 8 workers doing same work how many days \n" ); document.write( "
Algebra.Com's Answer #563616 by TimothyLamb(4379)\"\" \"About 
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rate:
\n" ); document.write( "r = job/(workers*time)
\n" ); document.write( "---
\n" ); document.write( "rate 12 workers:
\n" ); document.write( "1/(12*12)
\n" ); document.write( "---
\n" ); document.write( "rate 8 workers:
\n" ); document.write( "1/(8*t)
\n" ); document.write( "---
\n" ); document.write( "1/(12*12) = 1/(8*t)
\n" ); document.write( "8t = 12*12
\n" ); document.write( "t = 12*12/8
\n" ); document.write( "t = 18 hours
\n" ); document.write( "---
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