document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=523298>Question 523298</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has 1000 g of a solution that is 40% acid.  How many grams of water must be added to reduce the acidity to 25% </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #347280 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=347280\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A chemist has 1000 g of a solution that is 40% acid. How many grams of water must be added to reduce the acidity to 25%<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.40*1000 + 0*x = 0.25(1000+x)<BR>\n" );
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document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "40*1000 + 0 = 25*1000 + 25x<BR>\n" );
document.write( "---<BR>\n" );
document.write( "25x = 15*1000<BR>\n" );
document.write( "x = (2/5)1000<BR>\n" );
document.write( "x = 400 grapm(amt. of water needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============ </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );