document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935579>Question 935579</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sheila needs 30 mL of a 19.2% acid solution for a chemistry experiment. She has a 12% acid solution and an 84% acid solution. How many milliliters of the 12% solution does she need to make the mixture?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #568824 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=568824\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Sheila needs 30 mL of a 19.2% acid solution for a chemistry experiment. She has a 12% acid solution and an 84% acid solution. How many milliliters of the 12% solution does she need to make the mixture?<BR>\n" );
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document.write( "let x=amount of 12% solution needed<BR>\n" );
document.write( "30-x=amount of 84% solution needed<BR>\n" );
document.write( "..<BR>\n" );
document.write( "12%x+84%(30-x)=19.2%*30<BR>\n" );
document.write( ".12x+25.2-.84x=5.76<BR>\n" );
document.write( ".72x=19.44<BR>\n" );
document.write( "x=27<BR>\n" );
document.write( "How many milliliters of the 12% solution does she need to make the mixture? 27 </SPAN>\n" );
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