document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=896539>Question 896539</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how much of a 25% acid solution must be mixed with 4 gallons of an 18% acid solution to get a 21% acid solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #543586 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=543586\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how much of a 25% acid solution must be mixed with 4 gallons of an 18% acid solution to get a 21% acid solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
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document.write( "0.25x + 0.18*4 = 0.21(x+4)<BR>\n" );
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document.write( "25x + 18*4 = 21x + 21*4<BR>\n" );
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document.write( "4x = 3*4<BR>\n" );
document.write( "x = 3 gallongs (amt. of 25% solution needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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