document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=638451>Question 638451</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dear Sir/Mame, any assistance in the following question will be gratefully taken.<BR>\n" );
document.write( "'Marty buys some stamps. He buys 50 cent and 75 cent stamps to the value of $12.50. Altogether, he buys 21 stamps. How many of each type of stamp does he buy?<BR>\n" );
document.write( "Thank You,<BR>\n" );
document.write( "Kind Regards,<BR>\n" );
document.write( "Sash Lack </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #402205 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=402205\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 'Marty buys some stamps. He buys 50 cent and 75 cent stamps to the value of $12.50. Altogether, he buys 21 stamps. How many of each type of stamp does he buy?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=no. of 50 cent stamps Marty bought<BR>\n" );
document.write( "21-x=no. of 75 cent stamps Marty bought<BR>\n" );
document.write( "..<BR>\n" );
document.write( ".50x+.75(21-x)=12.50<BR>\n" );
document.write( ".50x+15.75-.75x=12.50<BR>\n" );
document.write( ".25x=3.25<BR>\n" );
document.write( "x=3.25/.25=13<BR>\n" );
document.write( "21-x=8<BR>\n" );
document.write( "no. of 50 cent stamps Marty bought=13<BR>\n" );
document.write( "no. of 75 cent stamps Marty bought=8 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );