document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169162>Question 169162</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Smith family pays $60 for 4 adult meals and 1 kid's meal.<BR>\n" );
document.write( "The Jones family pays $42 for 2 adult meals and 2 kid's meals.<BR>\n" );
document.write( "How much was each adult meal and each kid's meal.\r<BR>\n" );
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document.write( "Here is what I have so far . . .\r<BR>\n" );
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document.write( "  4x + y = 60<BR>\n" );
document.write( "+ 2x + 2y = 42<BR>\n" );
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document.write( "  6x + 3y = $102\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124746 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124746\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The Smith family pays $60 for 4 adult meals and 1 kid's meal.<BR>\n" );
document.write( "The Jones family pays $42 for 2 adult meals and 2 kid's meals.<BR>\n" );
document.write( "How much was each adult meal and each kid's meal.<BR>\n" );
document.write( "Here is what I have so far . . .<BR>\n" );
document.write( "4x + y = 60<BR>\n" );
document.write( "2x + 2y = 42<BR>\n" );
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document.write( "These are the right equations, but you want to multiply one or both equations,<BR>\n" );
document.write( " so that you can eliminate one of the variables.<BR>\n" );
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document.write( "In this case if we multiply the 1st equation by 2 and subtract we eliminate y<BR>\n" );
document.write( "8x + 2y = 120<BR>\n" );
document.write( "2x + 2y = 42<BR>\n" );
document.write( "--------------- subtraction eliminates y, find x<BR>\n" );
document.write( "6x + 0 = 78<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=78%2F6 ALIGN=MIDDLE  ALT=\"78%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = $13 for adult meal<BR>\n" );
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document.write( "Use the 1s equation to find y, substitute 13 for x:<BR>\n" );
document.write( "4(13) + y = 60<BR>\n" );
document.write( "52 + y = 60<BR>\n" );
document.write( "y = 60 - 52<BR>\n" );
document.write( "y = $8 for kids meal<BR>\n" );
document.write( ";<BR>\n" );
document.write( ";<BR>\n" );
document.write( "Check solution in the 2nd equation<BR>\n" );
document.write( "2(13) + 2(8) = 42<BR>\n" );
document.write( "26 + 16 = 42, confirms our solutions </SPAN>\n" );
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