document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=203315>Question 203315</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi I need help with a word problem involving interest rates Please.<BR>\n" );
document.write( "P dollars is invested at annual<BR>\n" );
document.write( "interest rate r for 1 year. If the interest is compounded<BR>\n" );
document.write( "semiannually, then the polynomial P(1+r/2)^2<BR>\n" );
document.write( "represents the value of the investment after 1 year. Rewrite this expression<BR>\n" );
document.write( "without parentheses. Evaluate the polynomial if<BR>\n" );
document.write( "P= $200 and r= 10%.\r<BR>\n" );
document.write( "\n" );
document.write( "My Try: I know I have to substitute the numbers in for the variables, but not sure how to solve after that. 200(1+10%/2)^2 = 200+220/2=110^2=220??<BR>\n" );
document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #153389 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=153389\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%281%2Br%2F2%29%5E2 ALIGN=MIDDLE  ALT=\"P%281%2Br%2F2%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "1)  Rewrite the expression without parentheses.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%281%2B2%28r%2F2%29%2Br%5E2%2F4%29 ALIGN=MIDDLE  ALT=\"P%281%2B2%28r%2F2%29%2Br%5E2%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute the P.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28P%2BPr%2BPr%5E2%2F4%29 ALIGN=MIDDLE  ALT=\"highlight%28P%2BPr%2BPr%5E2%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2) Evaluate if P= $200 and r = 10% (or 0.1 in its decimal form).<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2B200%280.1%29%2B200%280.1%29%5E2%2F4+=+200%2B200%280.1%29%2B200%280.01%29%2F4 ALIGN=MIDDLE  ALT=\"200%2B200%280.1%29%2B200%280.1%29%5E2%2F4+=+200%2B200%280.1%29%2B200%280.01%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2B20%2B2%2F4+=+highlight%28220.5%29 ALIGN=MIDDLE  ALT=\"200%2B20%2B2%2F4+=+highlight%28220.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );