document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=92135>Question 92135</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A stamp collection consists of 5, 13, and 18 cent stamps. The number of 13 cent stamps is one less than twice the number of 5 cent stamps. The number of 18 cent stamps is five more than the number of 13 cent stamps. The total value of all the stamps is $2.60. Find the number of 13 cent stamps in the collection. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #66988 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=66988\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A stamp collection consists of 5, 13, and 18 cent stamps. The number of 13 cent stamps is one less than twice the number of 5 cent stamps. The number of 18 cent stamps is five more than the number of 13 cent stamps. The total value of all the stamps is $2.60. Find the number of 13 cent stamps in the collection.<BR>\n" );
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document.write( "Let number of 5 cent stamps be \"x\" ; value of these is 5x cents<BR>\n" );
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document.write( "Number of 13 cent stamps is \"2x-1\" ; value of these is 13(2x-1)=26x-13 cents<BR>\n" );
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document.write( "Number of 18 cent stamps is \"2x+4\" ; value of these is 18(2x+4)=36x+72 cents<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "value + value +value = 260 cents<BR>\n" );
document.write( "5x + 26x-13 +36x+72 = 260<BR>\n" );
document.write( "67x + 59 = 260<BR>\n" );
document.write( "67x = 201<BR>\n" );
document.write( "x = 3 (number of 5 cent stamps)<BR>\n" );
document.write( "2x-1 = 5 (number of 13 cent stamps)<BR>\n" );
document.write( "2x+4 = 10 (number of 18 cent stamps)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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