document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=700679>Question 700679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Karen brought 10 stamps. Some cost $.32 and some cost $.20. SHe spent $2.84. How many of each did she buy? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #431941 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=431941\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Karen bought 10 stamps. Some cost $.32 and some cost $.20. SHe spent $2.84. How many of each did she buy?<BR>\n" );
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document.write( "Quantity Eq::::  a + b = 10<BR>\n" );
document.write( "Value Eq:::::  32a + 20b = 284 cents<BR>\n" );
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document.write( "32a + 32b = 32*10<BR>\n" );
document.write( "32a + 20b = 284<BR>\n" );
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document.write( "Subtract and solve for \"b\":<BR>\n" );
document.write( "12b = 36<BR>\n" );
document.write( "b = 3 (# of 20 cent stanps)<BR>\n" );
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document.write( "Solve for \"a\":<BR>\n" );
document.write( "a + b = 10<BR>\n" );
document.write( "a + 3 = 10<BR>\n" );
document.write( "a = 7 (# of 32 cent stamps)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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