document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=252043>Question 252043</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A discount store sold plastic cups for $3.50 each and ceramic cups for $4 each.  If 400 cups were sold for $1458, how many cups of each type were sold? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #183787 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=183787\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> p=plastic cups<BR>\n" );
document.write( "and c=ceramic<BR>\n" );
document.write( "p+c=400<BR>\n" );
document.write( "c=400-p<BR>\n" );
document.write( "3.50p+4*c=1458<BR>\n" );
document.write( "3.50p+4*(400-p)=1458<BR>\n" );
document.write( "3.5p+1600-4p=1458<BR>\n" );
document.write( "-.5p=-142<BR>\n" );
document.write( "p=284<BR>\n" );
document.write( "c=116 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );