document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=180802>Question 180802</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0618803599/algebrahomeworkh>Beginning Algebra with Applications</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A postal clerk sold some $.34 stamps and some $.23 stamps. Altogether, 15 stamps were sold for the total cost of $4.44. How many of each type of stamp were sold? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #135534 by </B><A HREF=/tutors/aboutme.mpl?userid=mgmoeab><B>mgmoeab(37)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mgmoeab><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=mgmoeab><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=135534\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> LET X BE THE NUMBER OF $0.34 STAMPS<BR>\n" );
document.write( "LET Y BE THE NUMBER OF $0.23 STAMPS\r<BR>\n" );
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document.write( "SYSTEM OF LINEAR EQUATIONS\r<BR>\n" );
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document.write( "a) ($0.34)X + ($0.23)Y = $4.44<BR>\n" );
document.write( "b)        X +        Y = 15\r<BR>\n" );
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document.write( "SOLVING<BR>\n" );
document.write( "a)  (0.34)X + (0.23)Y =  4.44<BR>\n" );
document.write( "b) (-0.34)X - (0.34)Y = -5.10 <---- MULTIPLY BY -0.34 TO ELIMINATE X\r<BR>\n" );
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document.write( "YOU WILL GET A NEW EQUATION<BR>\n" );
document.write( "c) -0.11Y = -0.66\r<BR>\n" );
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document.write( "IF YOU SOLVE FOR Y, THEN YOU WILL GET Y= 6<BR>\n" );
document.write( "TO FIND X YOU TAKE THE VALUE OF Y AND SUSTITUTE IN THE ORIGINAL EQUATION<BR>\n" );
document.write( "b) X + Y = 15, ---> X + 6 = 15;  THEN X = 9\r<BR>\n" );
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document.write( "THE ANSWER WILL BE:<BR>\n" );
document.write( "9 STAMPS OF $0.34, AND 6 STAMPS OF $0.23 WERE SOLD<BR>\n" );
document.write( " </SPAN>\n" );
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