document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1109749>Question 1109749</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At a thrift store, each shirt costs $4, each pair of pants costs $7, and there is no sales tax on clothing purchases. Jason bought some shirts and some pairs of pants at the thrift store and paid exactly $41. How many shirts and how many pairs of pants did Jason buy at the thrift store?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #724691 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=724691\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "If x is the number of shirts and y is the number of pairs of pants, then<br><BR>\n" );
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document.write( "You can solve this using formal algebra and the fact that x and y have to be whole numbers.  However, since the numbers are small, it is much faster to solve the problem by logical reasoning and a bit of trial and error.<br><BR>\n" );
document.write( "You know the total spent is an odd number; the cost of a shirt is an even number and the cost of a pair of pants is an odd number.  Logic tells you then that the number of pairs of pants must be odd.  So<br><BR>\n" );
document.write( "1 pair of pants = $7; $41-$7 = $34; but 34 is not divisible by 4.<br><BR>\n" );
document.write( "3 pairs of pants = $21; $41-21 = $20; 20/4 = 5.<br><BR>\n" );
document.write( "So he bought 3 pairs of pants and 5 shirts. </SPAN>\n" );
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