document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1132021>Question 1132021</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Set up a system of equations and solve. Mike sold 12 sports cards. He sold baseball cards for 25 cents each and football cards for 5 cents each. Mike made a total of $2.00. How many of each type of card did Mike<BR>\n" );
document.write( "sell?\r<BR>\n" );
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document.write( "My teacher just doesn't show us how to do word problems </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #748841 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=748841\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> baseball cards=b<BR>\n" );
document.write( "football cards=f<BR>\n" );
document.write( "b+f=12, since he sold 12 cards<BR>\n" );
document.write( "so let f=12-b<BR>\n" );
document.write( "now there is only one variable to solve for<BR>\n" );
document.write( ".25*b+.05(12-b)=2.00, the money equation<BR>\n" );
document.write( ".25b+.60-0.05b=2.00<BR>\n" );
document.write( ".20b=1.40<BR>\n" );
document.write( "b=7baseball cards of 0.25 or $1.75<BR>\n" );
document.write( "12-b=5 football cards of 0.05 or $0.25<BR>\n" );
document.write( "They add to $2.00 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );