document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=114537>Question 114537</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mix a solution that is 70% acid with a solution that is 90% water to make 9L of a solution that is 30% acid.  How much of each solution should you use? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #83315 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=83315\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mix a solution that is 70% acid with a solution that is 90% water to make 9L of a solution that is 30% acid.  How much of each solution should you use?<BR>\n" );
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document.write( "Let amt. of 70% solution be \"x\" L; Amt of acid is 0.70x L<BR>\n" );
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document.write( "Amt of 10% solution is \"9-x\"L ; amt of acid is 0.10(9-x)= 0.9-0.1x L<BR>\n" );
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document.write( "Amt of mix is 9 L : amt of acid = 0.3(9) = 2.7 L<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.7x + 0.9-0.1x = 2.7<BR>\n" );
document.write( "0.6x = 1.8<BR>\n" );
document.write( "x = 3 L (amt. of 70% solution in the mix)<BR>\n" );
document.write( "9-x = 6 L (amt. of 90% water solution in the mix)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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