document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=219178>Question 219178</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a group of ten 6 and 12 volt batteries are wired in a series. The sum of their voltages is 84 volts. HOw many type of each battery is used?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #164896 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><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=164896\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 6x+12y=84<BR>\n" );
document.write( "x+y=10, x=10-y<BR>\n" );
document.write( "6(10-y)+12y=84<BR>\n" );
document.write( "60-6y+12y=84<BR>\n" );
document.write( "6y=24<BR>\n" );
document.write( "y=4<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "x+y=10<BR>\n" );
document.write( "x+4=10<BR>\n" );
document.write( "x=6<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "6*6+4*12=84 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );