document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127430>Question 1127430</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At one store, 5 pairs of jeans and 2 sweatshirts costs $213, while 3 pairs of jeans and 4 sweatshirts costs $195. Find the cost of one sweatshirt. \r<BR>\n" );
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document.write( "A. $21<BR>\n" );
document.write( "B. $35 <BR>\n" );
document.write( "C. $33 <BR>\n" );
document.write( "D. $24 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743838 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=743838\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> J = price of one pair of jeans<BR>\n" );
document.write( "S = price of a sweatshirt<br>\r<BR>\n" );
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document.write( "(1)  5J+2S = 213<BR>\n" );
document.write( "(2)  3J +4S = 195\r<BR>\n" );
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document.write( "(1')  10J+4S = 426   (multiplied eq(1) by 2)<BR>\n" );
document.write( "-(2)  3J +4S = 195<BR>\n" );
document.write( " ——————————<BR>\n" );
document.write( "       7J = 231<BR>\n" );
document.write( "         J = 231/7 = 33\r<BR>\n" );
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document.write( "Plug this into (1) and solve for S (one way to do it):<BR>\n" );
document.write( "S = (213 - 5J)/2 = (213 - 5*33)/2 = 24\r<BR>\n" );
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document.write( "Ans:  One sweatshirt costs $24  <BR>\n" );
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document.write( "Check: <BR>\n" );
document.write( " 5*33+2*24 = 165+48 = 213<BR>\n" );
document.write( " 3*33+4*24 = 99+96 = 195\r<BR>\n" );
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document.write( "   <BR>\n" );
document.write( " </SPAN>\n" );
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