document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=909462>Question 909462</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A solution consists of 20% acid, and the remainder is water. A chemist wishes to strengthen this solution. How many quarts of acid must be added to 24 quarts of the solution to make a mixture containing 40% acid? show solution </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #551888 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=551888\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have 24 qt of 20% acid<BR>\n" );
document.write( "We want to add some 100% acid to make   40% acid<BR>\n" );
document.write( "1*x+0.2*24=0.4(24+x)<BR>\n" );
document.write( "1*x+4.8=9.6+0.4x<BR>\n" );
document.write( "1x-0.4x=9.6-4.8<BR>\n" );
document.write( "0.6x=4.8<BR>\n" );
document.write( "x=8 qt at 100% (8) is added to 24 qt at 20%(4.8) to make 40% of 32 qt(12.8)<BR>\n" );
document.write( "check<BR>\n" );
document.write( "1*8+0.2*24=0.4(24+8)<BR>\n" );
document.write( "8+4.8=0.4(32)<BR>\n" );
document.write( "12.8=12.8<BR>\n" );
document.write( "ok\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );