document.write( "Question 300148: Twenty men did 1/4 of a job in 8 days. Then, because of an emergency, it became necessary to complete the job in the next 5 days. How many additional men were added to the crew of 20 to accomplish this? \n" ); document.write( "
Algebra.Com's Answer #215436 by ankor@dixie-net.com(22740)\"\" \"About 
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Twenty men did 1/4 of a job in 8 days.
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\n" ); document.write( "Find the total number of man-days to complete 1/4 of the job
\n" ); document.write( "20 * 8 = 160 man-days
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\n" ); document.write( "Then, because of an emergency, it became necessary to complete the job in the next 5 days.
\n" ); document.write( " How many additional men were added to the crew of 20 to accomplish this?
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\n" ); document.write( "Let x = no. of additional men required
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\n" ); document.write( "3 * 160 = 480 man-days required to complete the remaining 3/4 of the job
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\n" ); document.write( "(x+20)*5 = 480
\n" ); document.write( "5x + 100 = 480
\n" ); document.write( "5x = 480 - 100
\n" ); document.write( "5x = 380
\n" ); document.write( "x = \"380%2F5\"
\n" ); document.write( "x = 76 additional men required to complete the job in 5 yrs.
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\n" ); document.write( "Check: 5(76+20) = 480 man-days \n" ); document.write( "
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