document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=224866>Question 224866</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A chemist wants to make 250 ml of 30% acid solution by mixing a 20% acid solution with a 60% acid solution. determine how much acid solution should be used as follows. x represents the amount of 20% acid solution. y represents the amount of 60% acid solution.<BR>\n" );
document.write( "    write an equation relating x and y to the desired amount of acid. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167952 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=167952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=250 or y=250-x<BR>\n" );
document.write( ".20x+.60y=.30*250<BR>\n" );
document.write( ".20x+.60(250-x)=75<BR>\n" );
document.write( ".20+150-.60x=75<BR>\n" );
document.write( "-.40x=75=150<BR>\n" );
document.write( "-.40x=75<BR>\n" );
document.write( "x=75/.40<BR>\n" );
document.write( "x=187.5 ml. of 20% mix is used.<BR>\n" );
document.write( "250-187.5=62.5 ml. of 60% mix is uded.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".20*187.5+.60*62.5=75<BR>\n" );
document.write( "37.5+37.5=75<BR>\n" );
document.write( "75=75<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );