document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245174>Question 245174</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 40 mL solution is 80% acid.  How much water <BR>\n" );
document.write( "     must be added to produce a solution that is 60% <BR>\n" );
document.write( "     acid?\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179200 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=179200\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A 40 mL solution is 80% acid. How much water <BR>\n" );
document.write( "must be added to produce a solution that is 60% <BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.80*40 + 0*x = 0.60(40+x)<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "80*40 + 0 = 60*40 + 60x<BR>\n" );
document.write( "20*40 = 60x<BR>\n" );
document.write( "x = (1/3)*40<BR>\n" );
document.write( "x = 13 1/3 mL (amt. of water needed in the mixture)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );