document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=209968>Question 209968</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Translate the problem into a pair of linear equations in two variables. Solve the equations using either elimination or substitution. State your answer for the specified variable.\r<BR>\n" );
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document.write( "Mardi received an inheritance of $70,000. She invested part at 10% and deposited the remainder in tax-free bonds at 8%. Her total annual income from the investments was $6800. Find the amount invested at 10%. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #158710 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=158710\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .10X+.08(70,000-X)=6,800<BR>\n" );
document.write( ".10X+5,600-.08X=6,800<BR>\n" );
document.write( ".02X=6,800-5,600<BR>\n" );
document.write( ".02X=1,200<BR>\n" );
document.write( "X=1,200/.02<BR>\n" );
document.write( "X=$60,000 IS THE AMOUNT INVESTED @ 10%<BR>\n" );
document.write( "70,000-60,000=$10,000 INVESTED @ 8%.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".10*60,000+.08*10,000=6,800<BR>\n" );
document.write( "6,000+800=6,800<BR>\n" );
document.write( "6,800=6,800 </SPAN>\n" );
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