document.write( "Question 621719: a piece of machinery depreciates at a fixed rate of 12% per year for 7 years. If the machinery is valued at $100,000 after 7 years, how much would the machinery have intially cost rounded to the nearest dollar? \n" ); document.write( "
Algebra.Com's Answer #390922 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "$100000 = \"I%5B0%5D%281.12%29%5E%28-7%29\"
\n" ); document.write( "$100000(1.12)^7 = \"I%5B0%5D\"
\n" ); document.write( " $221,068.14 = \"I%5B0%5D\" \n" ); document.write( "
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