document.write( "Question 252816: A piece of rural land sold 10 years ago for $40,000. The price for the same piece of land this year costs $800 more per acre, and it sold for $60,000. What is the size of the piece of land in acres? Explain how you got this answer. \n" ); document.write( "
Algebra.Com's Answer #184908 by richwmiller(17219)\"\" \"About 
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60000/(x+800)=40000/x
\n" ); document.write( "=1600 cost per acre 10 years ago
\n" ); document.write( "cost per acre now over cost per acre 10 years ago
\n" ); document.write( "so we need to find cost per acre and total cost by per acre cost to get acreage.
\n" ); document.write( "40000/1600=25acres
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