document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1078772>Question 1078772</A>: <I><SPAN STYLE=\"word-break: break-all;\"> needs to prepare 28 ounces of a 9% hydrochloric acid solution. find the amount of 14% solution and the amount of 7% solution she should mix. how many ounces of the 14% acid solution should be in 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 #693168 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=693168\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> needs to prepare 28 ounces of a 9% hydrochloric acid solution. find the amount of 14% solution and the amount of 7% solution she should mix. how many ounces of the 14% acid solution should be in the mixture?<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "------<BR>\n" );
document.write( "0.14x + 0.07(28-x) = 0.09*28<BR>\n" );
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document.write( "14x + 7*28 - 7x = 9*28<BR>\n" );
document.write( "----<BR>\n" );
document.write( "7x = 2*28<BR>\n" );
document.write( "x = 8 ounces (amt. of 14% solution needed)<BR>\n" );
document.write( "28-x = 20 ounces (amt. of 7% solution needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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