document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=122266>Question 122266</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Angus invested $18000, part at 3% and part at 5%. If the total interest at the end of the year is $660, how much did he invest at each rate? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89768 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=89768\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let C1 and C2 the amounts of the parts then\r<BR>\n" );
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document.write( "C1 + C2 =18000   and  C1(0,03)+C2(0,05)=660  then C2=(18000-C1) then<BR>\n" );
document.write( " C1(0,03)+(18000-C1)(0,05)=660 then  -0,02C1 +900 =660<BR>\n" );
document.write( "then  -0,02C1=-240 \r<BR>\n" );
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document.write( "then C1=12000 and C2=6000   </SPAN>\n" );
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