document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=54374>Question 54374</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Nikki paid Dalton $15.50 for a combination of 15 baseball and football cards. The baseball cards were $1.50 each, and the football cards were $0.50 each. How much did Nikki spend on the baseball cards? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #36678 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=36678\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Nikki paid Dalton $15.50 for a combination of 15 baseball and football cards. The baseball cards were $1.50 each, and the football cards were $0.50 each. How much did Nikki spend on the baseball cards?<BR>\n" );
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document.write( "Let number of football cards be \"x\"<BR>\n" );
document.write( "Value of those cards is 0.50x.<BR>\n" );
document.write( "Number of baseball cards is \"15-x\"<BR>\n" );
document.write( "Value of those cards is 1.50(15-x)= 22.5-1.5x<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "value + value = 15.50<BR>\n" );
document.write( "0.50x+22.5-1.5x=15.50<BR>\n" );
document.write( "-x=-7<BR>\n" );
document.write( "x=7 (# of football cards)<BR>\n" );
document.write( "15-x=8 (# of baseball cards)<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );