document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1101909>Question 1101909</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sam has two kinds of stamps, 27 cents and 33 cent stamps. Altogether, 24 stamps sold for a total of $6.84. How many of each type pf stamp does Sam have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #716547 by </B><A HREF=/tutors/aboutme.mpl?userid=mreeve6380><B>mreeve6380(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mreeve6380><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=716547\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To solve this problem, you have to set up a system of equations:\r<BR>\n" );
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document.write( "Let x be the $0.27 stamps and y be the $0.33 stamps\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2By=24 ALIGN=MIDDLE  ALT=\"x%2By=24\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.27x%2B.33y=6.84 ALIGN=MIDDLE  ALT=\".27x%2B.33y=6.84\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "To solve this, you need to use substitution. Solve the first equation for y (y=24-x)and then substitute it for the y in the second equation.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.27x%2B.33%2824-x%29=6.84 ALIGN=MIDDLE  ALT=\".27x%2B.33%2824-x%29=6.84\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then, distribute the .33:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.27x%2B7.92-.33x=6.84 ALIGN=MIDDLE  ALT=\".27x%2B7.92-.33x=6.84\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then,combine the .27 and the .33:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-.06x%2B7.92=6.84 ALIGN=MIDDLE  ALT=\"-.06x%2B7.92=6.84\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then, subtract 7.92 from each side.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-.06x=-1.08 ALIGN=MIDDLE  ALT=\"-.06x=-1.08\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Then, divide by -.06 on each side.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=18 ALIGN=MIDDLE  ALT=\"x=18\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "X= 18, so there are 18 $0.27 stamps. Since there are 24 stamps total, you would subtract the 24 by 18 and get 6. There are 6 of the $0.33 stamps.\r<BR>\n" );
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document.write( "Answer: Sam sold 18 27 cent stamps and 6 33 cent stamps. </SPAN>\n" );
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