document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1030122>Question 1030122</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A customer buys five cans of baked beans, four packets of brown sugar and two packets of biscuits from a supermarket. He gives the cashier R150.00 and gets R26.00 in change. A can of baked beans costs half as much as a packet of biscuits whilst a packet of sugar is three rand cheaper than a packet of biscuits. \r<BR>\n" );
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document.write( "Calculate the cost of a can of baked beans, a packet of sugar and a packet of biscuits </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #645036 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=645036\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+ ALIGN=MIDDLE  ALT=\"+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the cost of a can of baked beans<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+ ALIGN=MIDDLE  ALT=\"+b+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the cost of a packet of sugar<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+ ALIGN=MIDDLE  ALT=\"+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the cost of a packet of biscuits<BR>\n" );
document.write( "-------------------------------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5a+%2B+4b+%2B+2c+=+150+-+26+ ALIGN=MIDDLE  ALT=\"+5a+%2B+4b+%2B+2c+=+150+-+26+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+%281%2F2%29%2Ac+ ALIGN=MIDDLE  ALT=\"+a+=+%281%2F2%29%2Ac+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+c+-+3+ ALIGN=MIDDLE  ALT=\"+b+=+c+-+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "There are 3 equations and 3 unknowns, so it's solvable<BR>\n" );
document.write( "Substitute (2) and (3) into (1)<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5%2A%28+%281%2F2%29%2Ac+%29+%2B+4%2A%28+c-3+%29+%2B+2c+=+150+-+26+ ALIGN=MIDDLE  ALT=\"+5%2A%28+%281%2F2%29%2Ac+%29+%2B+4%2A%28+c-3+%29+%2B+2c+=+150+-+26+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%285%2F2%29%2Ac+%2B+4c+-+12+%2B+2c+=+124+ ALIGN=MIDDLE  ALT=\"+%285%2F2%29%2Ac+%2B+4c+-+12+%2B+2c+=+124+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+5%2F2+%29%2Ac+%2B+6c+=+136+ ALIGN=MIDDLE  ALT=\"+%28+5%2F2+%29%2Ac+%2B+6c+=+136+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+5%2F2+%29%2Ac+%2B+%28+12%2F2+%29%2Ac+=+136+ ALIGN=MIDDLE  ALT=\"+%28+5%2F2+%29%2Ac+%2B+%28+12%2F2+%29%2Ac+=+136+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%2817%2F2%29%2Ac+=+136+ ALIGN=MIDDLE  ALT=\"+%2817%2F2%29%2Ac+=+136+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+17c+=+272+ ALIGN=MIDDLE  ALT=\"+17c+=+272+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+=+16+ ALIGN=MIDDLE  ALT=\"+c+=+16+\"   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=+a+=+%281%2F2%29%2A16+ ALIGN=MIDDLE  ALT=\"+a+=+%281%2F2%29%2A16+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+8+ ALIGN=MIDDLE  ALT=\"+a+=+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+16+-+3+ ALIGN=MIDDLE  ALT=\"+b+=+16+-+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+13+ ALIGN=MIDDLE  ALT=\"+b+=+13+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "R8.00 = the cost of a can of baked beans<BR>\n" );
document.write( "R13.00 = the cost of a packet of sugar<BR>\n" );
document.write( "R16.00 = the cost of a packet of biscuits<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=+5a+%2B+4b+%2B+2c+=+150+-+26+ ALIGN=MIDDLE  ALT=\"+5a+%2B+4b+%2B+2c+=+150+-+26+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5%2A8+%2B+4%2A13+%2B+2%2A16+=+150+-+26+ ALIGN=MIDDLE  ALT=\"+5%2A8+%2B+4%2A13+%2B+2%2A16+=+150+-+26+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40+%2B+52+%2B+32+=+124+ ALIGN=MIDDLE  ALT=\"+40+%2B+52+%2B+32+=+124+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+124+=+124+ ALIGN=MIDDLE  ALT=\"+124+=+124+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );