document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1149483>Question 1149483</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Luis invested $6000 in two different accounts. One earned 4% and the other earned 7%. He earned a total of $375 in  interest in one year. How much was  invested in each account? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #770819 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=770819\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For the 2 accounts<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+ ALIGN=MIDDLE  ALT=\"+P+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = amount invested in 4% account<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6000+-+P+ ALIGN=MIDDLE  ALT=\"+6000+-+P+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = amount invested in 7% account<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+ ALIGN=MIDDLE  ALT=\"+I+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = interest from 4% account<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375+-+I+ ALIGN=MIDDLE  ALT=\"+375+-+I+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = interest from 7%<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1 year<BR>\n" );
document.write( "----------------------------------------<BR>\n" );
document.write( "For 4% account:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+P%2A.04%2A1+ ALIGN=MIDDLE  ALT=\"+I+=+P%2A.04%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For 7% account:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375+-+I+=+%28+6000+-+P+%29%2A.07%2A1+ ALIGN=MIDDLE  ALT=\"+375+-+I+=+%28+6000+-+P+%29%2A.07%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------------------------------<BR>\n" );
document.write( "By substitution:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375+-+.04P+=+420+-+.07P+ ALIGN=MIDDLE  ALT=\"+375+-+.04P+=+420+-+.07P+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.03P+=+45+ ALIGN=MIDDLE  ALT=\"+.03P+=+45+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+=+1500+ ALIGN=MIDDLE  ALT=\"+P+=+1500+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6000+-+P+=+6000+-+1500+ ALIGN=MIDDLE  ALT=\"+6000+-+P+=+6000+-+1500+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+6000+-+P+=+4500+ ALIGN=MIDDLE  ALT=\"+6000+-+P+=+4500+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------------------------------<BR>\n" );
document.write( "$1,500 = amount invested in 4% account<BR>\n" );
document.write( "$4,500 = amount invested in 7% account<BR>\n" );
document.write( "-----------------------------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+P%2A.04%2A1+ ALIGN=MIDDLE  ALT=\"+I+=+P%2A.04%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+1500%2A.04%2A1+ ALIGN=MIDDLE  ALT=\"+I+=+1500%2A.04%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+60+ ALIGN=MIDDLE  ALT=\"+I+=+60+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375+-+I+=+%28+6000+-+P+%29%2A.07%2A1+ ALIGN=MIDDLE  ALT=\"+375+-+I+=+%28+6000+-+P+%29%2A.07%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375+-+I+=+4500%2A.07%2A1+ ALIGN=MIDDLE  ALT=\"+375+-+I+=+4500%2A.07%2A1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+375+-+I+=+315+ ALIGN=MIDDLE  ALT=\"+375+-+I+=+315+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+I+=+60+ ALIGN=MIDDLE  ALT=\"+I+=+60+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );