document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=993965>Question 993965</A>: <I><SPAN STYLE=\"word-break: break-all;\"> linear equation a customer walks into a post office to purchase stamps. she purchased a total of 47 stamps some of the stamps are 49 cents stamps and some 33 cent stamps how many 49 cents stamps and how many 33 cents stamps did she purchase if the total cost of all the stamps was 20.31 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #613165 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=613165\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a customer walks into a post office to purchase stamps. she purchased a total of 47 stamps some of the stamps are 49 cents stamps and some 33 cent stamps how many 49 cents stamps and how many 33 cents stamps did she purchase if the total cost of all the stamps was 20.31\r<BR>\n" );
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document.write( "let x=number of 49 cents stamps customer bought<BR>\n" );
document.write( "47-x =number of 33 cents stamps customer bought <BR>\n" );
document.write( ". 49x+.33(47-x)=20.31<BR>\n" );
document.write( ".49x+15.51-.33x=20.31<BR>\n" );
document.write( ".16x=14.80<BR>\n" );
document.write( "x=30<BR>\n" );
document.write( "47-x=17<BR>\n" );
document.write( "number of 49 cents stamps customer bought=30<BR>\n" );
document.write( "number of 33 cents stamps customer bought=47  </SPAN>\n" );
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