document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=199366>Question 199366</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Linear Systems<BR>\n" );
document.write( "9. What volumes of 60% hydrochloric acid solution and 30% hydrochloric acid solution must be mixed to make 125 mL of 36% hydrochloric acid solution?\r<BR>\n" );
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document.write( "thank you very much!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149878 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=149878\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .6x+.3(125-x)=.36*125<BR>\n" );
document.write( ".6x+37.5-.3x=45<BR>\n" );
document.write( ".3x=45-37.5<BR>\n" );
document.write( ".3x=7.5<BR>\n" );
document.write( "x=7.5/.3<BR>\n" );
document.write( "x=25 ml of 60% acid is used.<BR>\n" );
document.write( "125-25=100 ml of 30% acid is used.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".6*25+.3*100=45<BR>\n" );
document.write( "15+30=45<BR>\n" );
document.write( "45=45 </SPAN>\n" );
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