document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=97153>Question 97153</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cashier's office at the college has collected $7020 from part-time students for a total of 42 courses.  If each credit hour costs $45, how many 3-hour courses and how many 5-hour courses were paid for? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #70731 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=70731\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> T+F=42 OR T=42-F<BR>\n" );
document.write( "45*3T+45*5F=7020 NOW SUBSTITUTE (42-F) FOR T & SOLVE FOR F<BR>\n" );
document.write( "45*3(42-F)+45*5F=7020<BR>\n" );
document.write( "135(42-F)+225F=7020<BR>\n" );
document.write( "5670-135F+225F=7020<BR>\n" );
document.write( "90F=7020-5670<BR>\n" );
document.write( "90F=1350<BR>\n" );
document.write( "F=1350/90<BR>\n" );
document.write( "F=15 NUMBER OF 5 CREDIT COURSES.<BR>\n" );
document.write( "T=42-15<BR>\n" );
document.write( "T=27 NUMBER OF 3 CREDIT COURSES.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "45*3*27+45*5*15=7020<BR>\n" );
document.write( "3645+3375=7020 <BR>\n" );
document.write( "7020=7020<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );