document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=631197>Question 631197</A>: <I><SPAN STYLE=\"word-break: break-all;\">  the rising cost of attending college. According to College Board, the cost to attend a college or university increased by 80% from 1994 to 2012. If the cost in 2012 is estimated at $18000, find the cost in 1994. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #397423 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=397423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = cost in 1994 (in thousands of dollars)\r<BR>\n" );
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document.write( "So if it costs 18 thousand dollars now (in 2012) and it has \"increased by 80% from 1994 to 2012\", this means that\r<BR>\n" );
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document.write( "(Cost in 1994) + (80% of cost in 1994) = Cost in 2012\r<BR>\n" );
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document.write( "x + 80% of x = 18\r<BR>\n" );
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document.write( "x + 0.8x = 18\r<BR>\n" );
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document.write( "1.8x = 18\r<BR>\n" );
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document.write( "x = 18/1.8\r<BR>\n" );
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document.write( "x = 10\r<BR>\n" );
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document.write( "Remember that x is in thousands of dollars.\r<BR>\n" );
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document.write( "So the average cost to attend college in 1994 is <font color=\"red\">$10,000</font>\r<BR>\n" );
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