document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=233816>Question 233816</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Betty has a jar containing 70 coins all of which are either quarters or nickels. the total value of the coins is 7.50 how many of each type of coin does she have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172515 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=172515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Q+N=70 OR Q=70-N<BR>\n" );
document.write( ".25Q+.05N=7.50<BR>\n" );
document.write( ".25(70-N)+.05N=7.50<BR>\n" );
document.write( "17.5-.25N+.05N=7.50<BR>\n" );
document.write( "-.20N=7.50-17.50<BR>\n" );
document.write( "-.20N=-10<BR>\n" );
document.write( "N=-10/-.20<BR>\n" );
document.write( "N=50 NICKLES IN THE JAR.<BR>\n" );
document.write( "Q+50=70<BR>\n" );
document.write( "Q=70-50<BR>\n" );
document.write( "Q=20 QUARTERS IN THE JAR.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".25*20+.05*50=7.50<BR>\n" );
document.write( "5.00+2.50=7.50<BR>\n" );
document.write( "7.50=7.50<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );