document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1107324>Question 1107324</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am selling T-shirts and sweatshirts for our school. The T-shirts cost $10 and the sweatshirts cost $25. I’m starting out with $50 in my box for change and now have 1400 in my box. I know I have sold five more than four times as many T-shirts or sweatshirts. How many of each do I sell </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #722416 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=722416\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> T-shirts = T<BR>\n" );
document.write( "Sweatshirts = S<BR>\n" );
document.write( "you sold 1400 - 50 = 1350<BR>\n" );
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document.write( "T = 4S + 5 I'll use this value for T below:<BR>\n" );
document.write( "10T + 25S = 1350<BR>\n" );
document.write( "10(4S + 5) + 25S = 1350<BR>\n" );
document.write( "40S + 50 + 25S = 1350<BR>\n" );
document.write( "65S = 1300<BR>\n" );
document.write( "S = 20 You sold 20 sweatshirts <BR>\n" );
document.write( "and:<BR>\n" );
document.write( "T = 4S + 5<BR>\n" );
document.write( "T = 4(20) + 5 <BR>\n" );
document.write( "T = 80 + 5 = 85 You sold 85 T-shirts<BR>\n" );
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document.write( "Check:<BR>\n" );
document.write( "20(25) + 85(10) = 500 + 850 = 1350 The answer is correct\r<BR>\n" );
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