document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=107120>Question 107120</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In 1970, the consumer price index (CPI) for all items was 116.3. In 1990, it was 318.5. Find each of the following:<BR>\n" );
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document.write( "A. The cost of an item in 1990 to the nearest dollar that sold for $200 in 1970<BR>\n" );
document.write( "B. The cost of an item in 1970 to the nearest dollar that sold for $200 in 1990<BR>\n" );
document.write( "C. The percent change in the all items component between 1970 and 1990.\r<BR>\n" );
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document.write( "please help me im confused . </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77948 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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/cgi-bin/show-face.mpl?user=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=77948\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C) 318.5*100/116.3=273.86% change in 20 years.<BR>\n" );
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document.write( "A) 318.5/116.3*200=$547.72<BR>\n" );
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document.write( "B) Let x be the price in 1970.<BR>\n" );
document.write( "318.5x/116.3=200<BR>\n" );
document.write( "318.5x=200*116.3<BR>\n" );
document.write( "318.5x=23260<BR>\n" );
document.write( "x=23260/318.5<BR>\n" );
document.write( "x=$73.03<BR>\n" );
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document.write( "Ed<BR>\n" );
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