document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=696471>Question 696471</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pharmacist wishes to mix a solution that is 4% minoxidil. She has on hand 70mL of a 1% solution, and she wishes to add some 6% solution to it to obtain the desired 4% solution. How much 6% solution should she add? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #429033 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=429033\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A pharmacist wishes to mix a solution that is 4% minoxidil. She has on hand 70mL of a 1% solution, and she wishes to add some 6% solution to it to obtain the desired 4% solution. How much 6% solution should she add?<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "mini + mini = mini<BR>\n" );
document.write( "0.01*70 + 0.06x = 0.04(70+x)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "1*70 + 6x = 4*70 + 4x<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "2x = 3*70<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 3*35<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = 105 mL (amt. of 6% solution needed)<BR>\n" );
document.write( "==============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );