document.write( "Question 509153: If it takes 12 people 3 days to build 72 meters of fence, how many meters of fence can 15 people build in one day? \n" ); document.write( "
Algebra.Com's Answer #341284 by Alan3354(69443)\"\" \"About 
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If it takes 12 people 3 days to build 72 meters of fence, how many meters of fence can 15 people build in one day?
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\n" ); document.write( "12 ppl * 3 days = 36 ppl-days for 72 meters
\n" ); document.write( "--> 2 meters per ppl-day
\n" ); document.write( "2 m/ppl-day * 15 ppl-day = 30 meters\r
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