document.write( "Question 1005409: If the time (T) it takes to plant rice in an acre varies inversely as the number of farm workers (W). If 18 workers can plant rice in a certain number of acres in 3 days, how long will it take 12 workers to plant rice in the same number of acres? \n" ); document.write( "
Algebra.Com's Answer #621695 by josgarithmetic(39617)\"\" \"About 
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\n" ); document.write( "r, for rate of 1 worker.
\n" ); document.write( "nr, rate for n workers.
\n" ); document.write( "1 job is \"plant rice in the certain number of acres\".\r
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\n" ); document.write( "\n" ); document.write( "Let t be the unknown number of days for the question.
\n" ); document.write( "\"system%2818r%2A3=1%2C12r%2At=1%29\"
\n" ); document.write( "Solve the system for t.
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