document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1037308>Question 1037308</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At Joe&#8242;s café, one cup of coffee and three doughnuts cost $4.20, and two cups of coffee and two doughnuts cost $4.80. What is the cost for one doughnut? What is the cost for one cup of coffee?<BR>\n" );
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 #651982 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel555><B>jorel555(1290)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel555><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=651982\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let c=coffee, d=doughnuts:<BR>\n" );
document.write( "1c+3d=4.20<BR>\n" );
document.write( "2c+2d=4.80; So:<BR>\n" );
document.write( "2c+6d=8.40<BR>\n" );
document.write( "2c+2d=4.80<BR>\n" );
document.write( "4d=3.60<BR>\n" );
document.write( "d=.90<BR>\n" );
document.write( "c=1.50<BR>\n" );
document.write( "Coffee is $1.50 a cup, and doughnuts are $.90 each!!!!!!!!! </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );