document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=145512>Question 145512</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0495017957/algebrahomeworkh>College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Scott and Laura have both invested some money. Scott invested $3,000 more than Laura and at a 4% higher interest rate. If Scott received $750 annual interest and Laura received $250, how much did Scott invest? (There are two possibilities for how much Scott invested. Enter the smaller value first. Round your answer to the nearest cent.)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #106204 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=106204\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Scott and Laura have both invested some money. Scott invested $3,000 more than Laura and at a 4% higher interest rate. If Scott received $750 annual interest and Laura received $250, how much did Scott invest? (There are two possibilities for how much Scott invested. Enter the smaller value first. Round your answer to the nearest cent.) <BR>\n" );
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document.write( "Laura DATA:<BR>\n" );
document.write( "Amt invested = x dollars ; interest = 250 ; rate = (250/x)<BR>\n" );
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document.write( "Scott DATA:<BR>\n" );
document.write( "Amt invested = 3000-x dollars ; interest = 750 ; rate = 750/(3000-x) <BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "[750/(3000-x)] - [250/x] = 0.04<BR>\n" );
document.write( "I graphed the left side and the right side and found the point of intersection.<BR>\n" );
document.write( "x = $821.59 (amount Laura invested)<BR>\n" );
document.write( "3000-x = 3000-821.59 = $2178.41<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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