document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=702635>Question 702635</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a pharmacist wants to mix an ointment that is 20% zinc oxside with ointment that is 40% zinc oxide to make 60 grams of ointment that is 25% zinc oxide how many grams of each ointment should t<BR>\n" );
document.write( "he pharmacist mix together </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #433074 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=433074\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a pharmacist wants to mix an ointment that is 20% zinc oxside with ointment that is 40% zinc oxide to make 60 grams of ointment that is 25% zinc oxide how many grams of each ointment should the pharmacist mix together<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "zinc + zinc = zinc<BR>\n" );
document.write( "0.20x + 0.40(60-x) = 0.25*60<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "20x + 40*60 - 40x = 25*60<BR>\n" );
document.write( "-20x = -15*60<BR>\n" );
document.write( "x = (3/4)60<BR>\n" );
document.write( "x = 45 grams (amt of 20% ointment needed)<BR>\n" );
document.write( "60-x = 15 grams (amt of 40% ointment 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" );