document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1131103>Question 1131103</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You buy the following sandwiches at a local deli for $30.00;  six tuna sandwiches and six turkey sandwiches.  Later, you buy four tuna sandwiches and eight turkey sandwiches for $30.60.  What is the price of each sandwich? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #747714 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=747714\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "If a solution using formal algebra is not required, try this informal solution using logical reasoning and a bit of mental arithmetic.<br><BR>\n" );
document.write( "(1) Comparing the second purchase with the first, you got 2 fewer tuna sandwiches and 2 more turkey sandwiches, and the total cost went up 60 cents.  Logical reasoning then tells us that a turkey sandwich costs 30 cents more than a tuna sandwich.<br><BR>\n" );
document.write( "(2) From the first purchase, we know that the cost of one tuna sandwich and one turkey sandwich is $5.<br><BR>\n" );
document.write( "(3) Putting (1) and (2) together, we can determine that the cost of a tuna sandwich is $2.35 and the cost of a turkey sandwich is $2.65. </SPAN>\n" );
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