document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118088>Question 118088</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.<BR>\n" );
document.write( "This is what I had tried to figure out<BR>\n" );
document.write( "5 cent stamp = X<BR>\n" );
document.write( "13 cent stamp = 2x-1<BR>\n" );
document.write( "18 cent stamp = 2x-1+5<BR>\n" );
document.write( "                        x=2x-1=2x-1+5 = 2.60 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86167 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=86167\">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. <BR>\n" );
document.write( "The number of 13 cent stamps is one less than twice the number of 5 cent stamps.<BR>\n" );
document.write( "Let # of 5 cent stamps be \"x: Value is 5x cents<BR>\n" );
document.write( "# of 13 cent stamps is 2x-1; value is 13(2x-1)=26x-13 cents<BR>\n" );
document.write( "----------------------- <BR>\n" );
document.write( "The number of 18 cent stamps is five more than the number of 13 cent stamps.<BR>\n" );
document.write( "# of 18 cent stams is 2x-1+5 = 2x+4; value is 18(2x+4)= 36x+72 cents<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( " The total value of all the stamps is $2.60.<BR>\n" );
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 <BR>\n" );
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document.write( "Find the number of 13 cent stamps in the collection.<BR>\n" );
document.write( "26x-13 = 26*3-13 = 65 (# of 13-cent stamps)<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );