document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127512>Question 1127512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A local Dominos sold a total of 1,600 small pizzas ($9) and pasta dinners ($13) during the Super Bowl. How many pizzas did Dominos sell if total sales were $15,600? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743969 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=743969\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The algebraic solution method is fine.  But if a formal solution is not required, you can get the answer to this problem (and many similar problems) much faster and with less work using logical reasoning.<br><BR>\n" );
document.write( "For this problem, the reasoning goes like this:<br><BR>\n" );
document.write( "(1) If all 1600 items were small pizzas, the total sales would be 1600*$9 = $14,400.<BR>\n" );
document.write( "(2) The actual sales amount was $15,600; the difference between the two totals is $15,600-$14,400 = $1200.<BR>\n" );
document.write( "(3) Each pasta dinner costs $4 more than each small pizza.<BR>\n" );
document.write( "(4) To make the additional $1200, the number of pasta dinners sold has to be $1200/$4 = 300.<BR>\n" );
document.write( "(5) The number of small pizzas sold was 1600-300 = 1300. </SPAN>\n" );
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