document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1097567>Question 1097567</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemical manufacturer wishes to fill an order for 700 gallons of a 24% acid solution. Solutions of 20% and 30% are in stock. How many gallons of 20% acid solution will be used in the desired mixture?\r<BR>\n" );
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document.write( "(I understand there may not be such a thing as \"24% acid solution\", et cetera. I'm just focusing on what solution needs to be used to get the number being asked for.<BR>\n" );
document.write( "Honestly, I've seen problems like these before but just have trouble when it's worded differently. Thank you!) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #712013 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=712013\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=gallons of 20% acid<BR>\n" );
document.write( "700-x=gallons of 30% acid<BR>\n" );
document.write( "the pure acid in each is .20x+.30(700-x)=700*.24<BR>\n" );
document.write( ".20x+210-.30x=168<BR>\n" );
document.write( "-.10x=-42<BR>\n" );
document.write( "x=420 gallons of 20%<BR>\n" );
document.write( "700-x=280 gallons of 30%<BR>\n" );
document.write( "The concept of pure acid is the per cent * volume<BR>\n" );
document.write( "Also<BR>\n" );
document.write( "24% is 4/10 of the way from 20 to 30, so 6/10 of the acid should be 20%.  .6*700=420. </SPAN>\n" );
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