document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=723997>Question 723997</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kathy paid $320 in cash for a CD player. If she paid in $20 and $10 notes and there were 23 notes all together, how many of each type were there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443514 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=443514\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Kathy paid $320 in cash for a CD player. If she paid in $20 and $10 notes and there were 23 notes all together, how many of each type were there?<BR>\n" );
document.write( "----<BR>\n" );
document.write( "# of notes Equation: x + y = 23<BR>\n" );
document.write( "Value Equation:::::20x+10y = 320<BR>\n" );
document.write( "---------------------------------<BR>\n" );
document.write( "Modify for elimination:<BR>\n" );
document.write( "x + y = 23<BR>\n" );
document.write( "2x+ y = 32<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Subtract and solve for \"x\":<BR>\n" );
document.write( "x = 9 (# of $20 notes)<BR>\n" );
document.write( "Solve for \"y\":<BR>\n" );
document.write( "x + y = 23<BR>\n" );
document.write( "9 + y = 23<BR>\n" );
document.write( "y = 14 (# of $10 notes)<BR>\n" );
document.write( "===========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=========================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );