document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=572262>Question 572262</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kristin spent $131 on shirts.  Fancy shirts cost $28 and plain shirts cost $15.  If she bought a total of 7 then how many of each kind did she buy?\r<BR>\n" );
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document.write( "How would you go about solving this problem?  My step-daughter has it on her homework and she is having me check her work and it has been 20 years since I took algebra and I am at a lose as to where to even begin this problem. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #368358 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=368358\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"Kristin spent $131 on shirts.  Fancy shirts cost $28 and plain shirts cost $15\" ___ 28f + 15p = 131\r<BR>\n" );
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document.write( "\"she bought a total of 7\" ___ f + p = 7 ___ p = 7 - f\r<BR>\n" );
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document.write( "substituting the equivalent value of p ___ 28f + 15(7 - f) = 131\r<BR>\n" );
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document.write( "28f + 105 - 15f = 131 ___ 13f = 26\r<BR>\n" );
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document.write( "solve for f , then substitute back to find p </SPAN>\n" );
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