document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=906620>Question 906620</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You need a 30% alcohol solution. On hand, you have a 385 mL of a 10% alcohol mixture. You also have 85% alcohol mixture. How much of the 85% mixture will you need to add to obtain the desired solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549957 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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/cgi-bin/show-face.mpl?user=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=549957\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0.85*x+0.1*385=0.3(385+x)<BR>\n" );
document.write( "0.85*x+38.5=115.5+0.3x<BR>\n" );
document.write( "0.85x-0.3x=115.5-38.5<BR>\n" );
document.write( "0.55x=77<BR>\n" );
document.write( "x=140 mL at 85% is added to 385 mL at 10%  to get  525 mL  at 30%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.85*140+0.1*385=0.3(385+140)<BR>\n" );
document.write( "119+38.5=0.3(525)<BR>\n" );
document.write( "157.5=157.5<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );