document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1144256>Question 1144256</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Investments: Aaron invested equal amounts of money at 5%, 7%, 9%, and 11% annual interest.  If the four investments  yielded a total of $1440 annual interest,  find the total amount invested.  </SPAN>\n" );
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document.write( "Since the amounts invested at each rate are the same, the average percent interest is<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2B7%2B9%2B11%29%2F4+=+8 ALIGN=MIDDLE  ALT=\"%285%2B7%2B9%2B11%29%2F4+=+8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Then<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.08x+=+1440 ALIGN=MIDDLE  ALT=\".08x+=+1440\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+1440%2F.08+=+18000 ALIGN=MIDDLE  ALT=\"x+=+1440%2F.08+=+18000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: The total amount invested was $18000. </SPAN>\n" );
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