document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=652169>Question 652169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi there! Stupid stuck! (Again!)\r<BR>\n" );
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document.write( "Joe buys five shirts and three shorts for $51.<BR>\n" );
document.write( "Bill buys three shirts and seven shorts for $80.  <BR>\n" );
document.write( "How much does each shirt and each pair of shorts cost.\r<BR>\n" );
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document.write( "So, if x is cost of each shirt<BR>\n" );
document.write( "And if y is the cost of each pair of shorts, wouldn't the restated problem be:\r<BR>\n" );
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document.write( "8x + 10y = $131? Where do I go from here. I am stuck, again. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #407923 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=407923\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Joe buys five shirts and three shorts for $51.<BR>\n" );
document.write( "Bill buys three shirts and seven shorts for $80.<BR>\n" );
document.write( "How much does each shirt and each pair of shorts cost.<BR>\n" );
document.write( "So, if x is cost of each shirt<BR>\n" );
document.write( "And if y is the cost of each pair of shorts<BR>\n" );
document.write( ".<BR>\n" );
document.write( "gives you the \"system of equations\":<BR>\n" );
document.write( "5x + 3y = 51  <BR>\n" );
document.write( "3x + 7y = 80<BR>\n" );
document.write( "solve by the \"addition method\".  <BR>\n" );
document.write( "multiply top eq by 3 and bottom eq by -5 then combine both:<BR>\n" );
document.write( " 15x + 9y = 153  <BR>\n" );
document.write( "-15x -35y =-400<BR>\n" );
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document.write( "     -26y = -247<BR>\n" );
document.write( "        y = $9.50 (shorts)<BR>\n" );
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document.write( "shirts:<BR>\n" );
document.write( "5x + 3y = 51  <BR>\n" );
document.write( "5x + 3(9.50) = 51  <BR>\n" );
document.write( "5x + 28.50 = 51  <BR>\n" );
document.write( "5x = 22.50<BR>\n" );
document.write( "x = $4.50<BR>\n" );
document.write( " </SPAN>\n" );
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