document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=324683>Question 324683</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many mL of each of 45% solution and a 15% solution should be mixed in order to obtain 25 mL of a 30% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #232422 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=232422\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how many mL of each of 45% solution and a 15% solution should be mixed in order to obtain 25 mL of a 30% solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "active + active = active<BR>\n" );
document.write( "0.45x + 0.15(25-x) = 0.30(25)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "45x + 15*25 - 15x = 30*25<BR>\n" );
document.write( "30x = 15*25<BR>\n" );
document.write( "x = 12.5 mL (amt. of 45% solution needed in the mix)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "25-x = 12.5 mL (amt of 15% solution needed in the mix)<BR>\n" );
document.write( "================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );