document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=446924>Question 446924</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A pharmacist mixed some 10% saline solution with some 15% saline solution to obtain 100 mL of a 12% saline solution. How much of the 10% saline solution did the pharmacist use in the mixture?<BR>\n" );
document.write( "A 60 mL<BR>\n" );
document.write( "B 45 mL<BR>\n" );
document.write( "C 40 mL<BR>\n" );
document.write( "D 25 mL\r<BR>\n" );
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document.write( "Lisa will make punch that is 25% fruit juice by adding pure fruit juice to a 2-liter mixture that is 10% pure fruit juice. How many liters of pure fruit juice does she need to add?<BR>\n" );
document.write( "A 0.4 liter<BR>\n" );
document.write( "B 0.5 liter<BR>\n" );
document.write( "C 2 liters<BR>\n" );
document.write( "D 8 liters </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #316228 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=316228\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 100x12%=12<BR>\n" );
document.write( "m+n=100<BR>\n" );
document.write( ".1m+.15n=12<BR>\n" );
document.write( "10m+15n=1200<BR>\n" );
document.write( "10m+10n=1000<BR>\n" );
document.write( "5n=200<BR>\n" );
document.write( "n=40<BR>\n" );
document.write( "m=60<BR>\n" );
document.write( "The pharmacist used 60 ml of 10% solution, and 40 mL of 15% solution..<BR>\n" );
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document.write( "Since it's 10% fruit juice, the rest is water:<BR>\n" );
document.write( "2x.90=1.8<BR>\n" );
document.write( ".75 x m=1.8<BR>\n" );
document.write( "m=1.8/.75=2.4<BR>\n" );
document.write( "2.4-2.0=.4 liters of pure fruit juice needed<BR>\n" );
document.write( "2.4x.25=.6<BR>\n" );
document.write( ".2 ltrs + .4 ltrs=.6 ltrs. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );