document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=904550>Question 904550</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons fo a 20% acid solution should be mixed with a 30% acid solution to produce 100 gallons of a 23% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #548784 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548784\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=100,<BR>\n" );
document.write( "0.2*a+0.3*b=0.23*100<BR>\n" );
document.write( "a=100-b<BR>\n" );
document.write( "0.2*(100-b)+0.3*b=23<BR>\n" );
document.write( "20-0.2b+0.3*b=23<BR>\n" );
document.write( "0.1*b=3<BR>\n" );
document.write( "b=30<BR>\n" );
document.write( "a=100-b<BR>\n" );
document.write( "a=70 gal at 20% b=30 gal at 30%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.2*70+0.3*30=0.23*100<BR>\n" );
document.write( "14+9=23<BR>\n" );
document.write( "23=23<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );