document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=641207>Question 641207</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to see how to work this problem:<BR>\n" );
document.write( "On Friday Clothiers sold some jeans at $25 and shirts at $18 Receipts total $441<BR>\n" );
document.write( "Sat. both items priced at $20 each sold exactly the same number of each item and had receipts of $420, how many pairs of jeans and how many shirts were sold each day? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #403578 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=403578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> On Friday Clothiers sold some jeans at $25 and shirts at $18 Receipts total $441<BR>\n" );
document.write( "Sat. both items priced at $20 each sold exactly the same number of each item and had receipts of $420, how many pairs of jeans and how many shirts were sold each day?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=no. of jeans sold each day<BR>\n" );
document.write( "let y=no. of shirts sold each day<BR>\n" );
document.write( "..\r<BR>\n" );
document.write( "\n" );
document.write( "25x+18y=441 (Friday)<BR>\n" );
document.write( "20x+20y=420 (Saturday)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "multiply 1st equation by 4:<BR>\n" );
document.write( "100x+72y=1764<BR>\n" );
document.write( "multiply 2nd equation by 5:<BR>\n" );
document.write( "100x+100y=2100<BR>\n" );
document.write( "subtract 2nd equation from 1st equation<BR>\n" );
document.write( "-28y=-336<BR>\n" );
document.write( "y=12<BR>\n" );
document.write( "20x=420-20y=420-240=180<BR>\n" );
document.write( "x=180/20=9<BR>\n" );
document.write( "no. of jeans sold each day=9<BR>\n" );
document.write( "no. of shirts sold each day=12 </SPAN>\n" );
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