document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1208492>Question 1208492</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A candy company sells premium chocolate at $5 per pound and regular chocolates at $4 per pound. If Barrett buys a 7-pound box of chocolates that costs him $31, how many pounds of premium chocolates are in the box? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #846940 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13198)</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=846940\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The other tutor supplied a response showing a typical formal algebraic solution -- which is probably what you were looking for.<br><BR>\n" );
document.write( "But solving problems like this informally (and mentally), using logical reasoning and simple arithmetic, is good brain exercise.<br><BR>\n" );
document.write( "For this particular kind of problem, the method shown below is useful.<br><BR>\n" );
document.write( "If all 7 pounds were regular chocolates, the total cost would be 7($4) = $28.<BR>\n" );
document.write( "But the actual cost is $31, which is $3 more.<BR>\n" );
document.write( "Each pound of premium chocolates costs $1 more than each pound of regular chocolates, so the number of pounds of premium chocolates is $3/$1 = 3.<br><BR>\n" );
document.write( "ANSWER: 3<br><BR>\n" );
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