document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160600>Question 1160600</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Oboe a recent retiree, requires Ghc 6000 per year in extra income. She has Ghc 50000 to invest and can invest in B-rated bonds paying 15% per year or in a certificate of deposit (CD) paying 7% per year. How much money should Oboe invest in each to realize exactly Ghc 6000 in interest per year?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #783968 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=783968\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Here is a quick and easy way to solve a mixture problem like this without formal algebra.<br><BR>\n" );
document.write( "(1) Determine the average percent return on the investment.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6000%2F50000+=+0.12 ALIGN=MIDDLE  ALT=\"6000%2F50000+=+0.12\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 12%<br><BR>\n" );
document.write( "(2) Determine where that average percentage lies between the two individual percentages.<BR>\n" );
document.write( "From 7% to 15% is a difference of 8%; from 7% to 12% is a difference of 5%.<BR>\n" );
document.write( "12% is 5/8 of the way from 7% to 15%.<br><BR>\n" );
document.write( "That means 5/8 of the total should be invested at the higher rate.<br><BR>\n" );
document.write( "ANSWER: 5/8 of $50,000, or $31,250, at 15%; the rest, $18,750, at 7%.<br><BR>\n" );
document.write( "CHECK: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.15%2831250%29%2B.07%2818750%29+-+4687.50%2B1312.50+=+6000 ALIGN=MIDDLE  ALT=\".15%2831250%29%2B.07%2818750%29+-+4687.50%2B1312.50+=+6000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );