document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=883071>Question 883071</A>: <I><SPAN STYLE=\"word-break: break-all;\"> you receive a total of $1520 a year in interest from three investments. the interest rate for the three investments are 5%, 7%, and 8%. the 5% investment is half of the 7% investment, and the 7% investment is $1500 less than the 8%. What is the amount of each investment?\r<BR>\n" );
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document.write( "(Note: This is a mixture problem. So set up a table involving Amount (of investment), Rate, and Interest. Let us use Investment A for 5%, Investment B for 7%, and Investment C for 8%) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #533341 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=533341\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you receive a total of $1520 a year in interest from three investments. the interest rate for the three investments are 5%, 7%, and 8%. the 5% investment is half of the 7% investment, and the 7% investment is $1500 less than the 8%. What is the amount of each investment? <BR>\n" );
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document.write( "let A=amt of 5% investment<BR>\n" );
document.write( "let B=amt of 7% investment<BR>\n" );
document.write( "let C=amt of 8% investment<BR>\n" );
document.write( "..<BR>\n" );
document.write( "B=C-1500<BR>\n" );
document.write( "A=(C-1500)/2<BR>\n" );
document.write( "..<BR>\n" );
document.write( "5%*(C-1500)/2+7%(C-1500)+8%C=1520<BR>\n" );
document.write( "lcd:2<BR>\n" );
document.write( "5%(C-1500)+14%(C-1500)+16%C=3040<BR>\n" );
document.write( ".05C-75+.14C-210+.16C=3040<BR>\n" );
document.write( ".35C=3325<BR>\n" );
document.write( "C=9500<BR>\n" );
document.write( "B=C-1500=8000<BR>\n" );
document.write( "A=B/2=4000<BR>\n" );
document.write( "amt of 5% investment=$4000<BR>\n" );
document.write( "amt of 7% investment=$8000<BR>\n" );
document.write( "amt of 8% investment=$9500 </SPAN>\n" );
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