document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1011344>Question 1011344</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Good Afternoon,\r<BR>\n" );
document.write( "\n" );
document.write( "I need help understanding how to work algebra word problems.\r<BR>\n" );
document.write( "\n" );
document.write( "1) $5400 is invested, part of it at 11% and part of it at 6%. For a certain year, the total yield is $474.00. How much was invested at each rate?\r<BR>\n" );
document.write( "\n" );
document.write( "2) One day a store sold 19 sweatshirts. White ones cost $10.95 and yellow ones cost $12.50. In all $229.75 worth of sweatshirts were sold. How many of each color were sold?\r<BR>\n" );
document.write( "\n" );
document.write( "Thanking you in advance\r<BR>\n" );
document.write( "\n" );
document.write( "Betty </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #626970 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=626970\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The two questions are similar, but here is just #2.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "w white ones and y yellow ones;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28w%2By=19%2C10.95w%2B12.5y=229.75%29 ALIGN=MIDDLE  ALT=\"system%28w%2By=19%2C10.95w%2B12.5y=229.75%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "The money equation both members divided by 0.05,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=219w%2B250y=4595 ALIGN=MIDDLE  ALT=\"219w%2B250y=4595\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Use substitution  with y=19-w;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=219w%2B250%2819-w%29=4595 ALIGN=MIDDLE  ALT=\"219w%2B250%2819-w%29=4595\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=219w%2B4750-250w=4595 ALIGN=MIDDLE  ALT=\"219w%2B4750-250w=4595\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=219w-250w=4595-4750 ALIGN=MIDDLE  ALT=\"219w-250w=4595-4750\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-31w=-155 ALIGN=MIDDLE  ALT=\"-31w=-155\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=155%2F31 ALIGN=MIDDLE  ALT=\"w=155%2F31\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=5%29 ALIGN=MIDDLE  ALT=\"highlight%28w=5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=14%29 ALIGN=MIDDLE  ALT=\"highlight%28y=14%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Here is how you can start #1:<BR>\n" );
document.write( "x at the lower rate, 5400-x at the higher rate;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2811%2A%285400-x%29%2B6%2Ax%29%2F100=474 ALIGN=MIDDLE  ALT=\"%2811%2A%285400-x%29%2B6%2Ax%29%2F100=474\"   DISABLED_style= \"max-width:90%; height:auto;\" >, to use just one variable instead of two variables. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );