document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=208497>Question 208497</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Blake has a total of $1600 to invest in 2 accounts. one account earns 5% simple intereest and the other earns 7% simple interest. how much should be invested in both accounts to earn exactly $90 at the end of 1 year?<BR>\n" );
document.write( "? 5% account<BR>\n" );
document.write( "? 7% account </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #157744 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=157744\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .07x+.05(1,600-x)=90<BR>\n" );
document.write( ".07x+80-.05x=90<BR>\n" );
document.write( ".02x=90-80<BR>\n" );
document.write( ".02x=10<BR>\n" );
document.write( "x=10/.02<BR>\n" );
document.write( "x=500 amount invested @ 7%<BR>\n" );
document.write( "1,600-500=1,100 amount invested @ 5%<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".07*500+.05*1,100=90<BR>\n" );
document.write( "35+55=90<BR>\n" );
document.write( "90=90 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );