document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1118052>Question 1118052</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi i need help solving this equation\r<BR>\n" );
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document.write( "109.30= 10/(1+i)+110/(1+i)^2<BR>\n" );
document.write( "i= 0.05 but how do we get to the i value? Can you please show step by step method. Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #733269 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=733269\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Hi i need help solving this equation <BR>\n" );
document.write( "109.30= 10/(1+i)+110/(1+i)^2<BR>\n" );
document.write( "i= 0.05 but how do we get to the i value? Can you please show step by step method.<BR>\n" );
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document.write( "Multiply thru by (1+i)^2 to get::<BR>\n" );
document.write( "110 + 10(1+i) = 109.3(1+i)^2 <BR>\n" );
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document.write( "Let w = 1+i<BR>\n" );
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document.write( "Solve for \"w\"::<BR>\n" );
document.write( "109.3w^2 - 10w - 110 = 0<BR>\n" );
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document.write( "Use the Quadratic Formula to solve for \"w\"<BR>\n" );
document.write( "w = -0.9585 or w = 1.05<BR>\n" );
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document.write( "Solve for \"i\"::<BR>\n" );
document.write( "1+i = -0.95785 or 1+i = 1.05<BR>\n" );
document.write( "Ans: i = -1.95785 or i = 0.05<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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