document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=713267>Question 713267</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bernice Invested $120,000. She put some in an account that pays 4% interest per year and the remainder she invested in an account that pays 7% per year. If she earned $7,800 in one year, how much was invested at each rate? Write an equation. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #438346 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=438346\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Bernice Invested $120,000. She put some in an account that pays 4% interest per year and the remainder she invested in an account that pays 7% per year. If she earned $7,800 in one year, how much was invested at each rate? Write an equation.<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "interest + interest = interest<BR>\n" );
document.write( "0.04x + 0.07(120,000-x) = 7800<BR>\n" );
document.write( "----<BR>\n" );
document.write( "4x + 7*120000 - 7x = 780000<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "-3x = -60000<BR>\n" );
document.write( "x = $20,000 (amt. invested at 4%<BR>\n" );
document.write( "120,000-x = $100,000 (amt. invested at 7%)<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );