document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=512049>Question 512049</A>: <I><SPAN STYLE=\"word-break: break-all;\"> WHAT VOLUME OF A 60% HYDROCHLORIC ACID SOLUTION MUST BE ADDED TO A 100 ML OF A 30% HYDROCLORIC SOLUTION TO MAKE A 36% HYDROCLORIC SOLUTION? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342508 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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=342508\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> With mixture problems you have to keep track of how much 'pure' stuff you have or need.<BR>\n" );
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document.write( "60%*x + 30%*100 = 36% (x+100)<BR>\n" );
document.write( ".60x + .30(100) = .36(x+100)<BR>\n" );
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document.write( "multiply both sides of 100<BR>\n" );
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document.write( "60x + 30(100) = 36(x+100)<BR>\n" );
document.write( "60x + 3000 = 36x + 3600<BR>\n" );
document.write( "24x = 600<BR>\n" );
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document.write( "x = 25<BR>\n" );
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document.write( "Answer: Add 25 ml of 60% acid  to 100 ml of 30% to produce 125 ml of 36% acid.<BR>\n" );
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document.write( ".36*125 = 45 ml 'pure' acid<BR>\n" );
document.write( ".6 * 25 = 15 ml 'pure' acid<BR>\n" );
document.write( ".3 * 100 = 30 ml 'pure' acid<BR>\n" );
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document.write( "Correct.<BR>\n" );
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document.write( "Done. </SPAN>\n" );
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