document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=196040>Question 196040</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much principal should you invest at 4% in order to have $3,000 for a vacation to Europe in 3 years?\r<BR>\n" );
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document.write( "Someone told me to use 3,000/1.125 because this is a logarithm problem, but I don't understand how I get the 1.125. Thank you for your help. \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #146985 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=146985\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much principal should you invest at 4% in order to have $3,000 for a vacation to Europe in 3 years? <BR>\n" );
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document.write( "thats essentially what you are doing, here's how that came about:<BR>\n" );
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document.write( "Use the compound interest formula which pretty simple since it is compounded yearly<BR>\n" );
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document.write( "P*(1+r)^t = A<BR>\n" );
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document.write( "P = the principal<BR>\n" );
document.write( "r = interest rate (.04)<BR>\n" );
document.write( "A = Accumulated amt (3000)<BR>\n" );
document.write( "t = time (3 yrs)<BR>\n" );
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document.write( "P*(1.04)^3 = 3000; find 1.04^3 on your calc, you don't need logs <BR>\n" );
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document.write( "P*1.124864 = 3000; (they rounded it to 1.125)<BR>\n" );
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document.write( "P = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3000%2F1.124864 ALIGN=MIDDLE  ALT=\"3000%2F1.124864\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "P = $2,666.99 invested to increase to 3000 after 3 yrs<BR>\n" );
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document.write( "Check on a calc: enter 2666.99(1.04^3) = 3000<BR>\n" );
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