document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=422584>Question 422584</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A mixture of 9% disinfectant solution is to be made from 12% and 7% disinfectant solutions. How much of each solution should be used if 35 gallons of 9% solution are needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #319578 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=319578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 35x.09=3.15<BR>\n" );
document.write( "p+q=35<BR>\n" );
document.write( ".12p+.07q=3.15<BR>\n" );
document.write( "12p+7q=315<BR>\n" );
document.write( "7p+7q=245<BR>\n" );
document.write( "5p=70<BR>\n" );
document.write( "p=14<BR>\n" );
document.write( "q=21<BR>\n" );
document.write( "You need 14 gallons of 12% solution and 21 gallons of 7% solution.. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );