document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=140700>Question 140700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> you have 250 dinners<BR>\n" );
document.write( "a child's plate costs $3.50<BR>\n" );
document.write( "an adult's plate costs $7.00\r<BR>\n" );
document.write( "\n" );
document.write( "a total of $1347.50 was collected\r<BR>\n" );
document.write( "\n" );
document.write( "how many plates [child and adult] were served? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102404 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=102404\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let's assigned \"x\"= child's plate and \"y\"=adult's plate.<BR>\n" );
document.write( "So, x+y=250 right? (assuming all the 250plates were used)<BR>\n" );
document.write( "Mark this equation 1.<BR>\n" );
document.write( "Then when we multiply the child's plate \"x\" by $3.50) + (adult's plate \"y\" times $7.00)equals $1347.50. To show,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.50%28x%29%2B%247.00%28y%29 ALIGN=MIDDLE  ALT=\"3.50%28x%29%2B%247.00%28y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=$1347.50. Mark this equation 2.<BR>\n" );
document.write( "In equation 1 we get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=250-x ALIGN=MIDDLE  ALT=\"y=250-x\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then substitute this \"y\" value in equation 2.<BR>\n" );
document.write( "Therefore,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.50%28x%29%2B%247.00%28250-x%29 ALIGN=MIDDLE  ALT=\"3.50%28x%29%2B%247.00%28250-x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=$1347.50<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.50%28x%29%2B1750.50-7.00x=1347.50 ALIGN=MIDDLE  ALT=\"3.50%28x%29%2B1750.50-7.00x=1347.50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.50x=402.50 ALIGN=MIDDLE  ALT=\"3.50x=402.50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=115 ALIGN=MIDDLE  ALT=\"x=115\"   DISABLED_style= \"max-width:90%; height:auto;\" >, this is # of child's plate<BR>\n" );
document.write( "For adult, go back equation 1, y=250-115<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=135 ALIGN=MIDDLE  ALT=\"y=135\"   DISABLED_style= \"max-width:90%; height:auto;\" >, # of adult's plate<BR>\n" );
document.write( "In doubt? Simply check and go back equation 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.50%28115%29%2B7.00%28135%29=1347.50 ALIGN=MIDDLE  ALT=\"3.50%28115%29%2B7.00%28135%29=1347.50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=402.50%2B945=1347.50 ALIGN=MIDDLE  ALT=\"402.50%2B945=1347.50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "$1347.50=$1347.50<BR>\n" );
document.write( "</pre><font size=4><b>Thank you,<BR>\n" );
document.write( "Jojo</pre> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );