document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1030794>Question 1030794</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm having problems solving this word problem:<BR>\n" );
document.write( "A pharmacist mixed some 10% saline solution with some 15% saline solution to obtain 100ml of a 12% saline solution. How much of the 10% saline solution did the pharmacist use in the mixture? <BR>\n" );
document.write( " SO far, I have used this weird equation with 3 variables& i'm pretty sure I messed up somewhere? Could u point out my errors or something and explain how to do it? Here's my work:<BR>\n" );
document.write( "X+y=z<BR>\n" );
document.write( "0.1x+0.15y=100(0.12z) <BR>\n" );
document.write( "Thank u tons!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #645580 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=645580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Saline													<BR>\n" );
document.write( "	percent	----------------			quantity								<BR>\n" );
document.write( "Saline A	10.00%	----------------			x	ml							<BR>\n" );
document.write( "Saline B	15.00%	------	100	-	x	ml							<BR>\n" );
document.write( "Mixture	12.00%	----------------	100										<BR>\n" );
document.write( "	100												<BR>\n" );
document.write( "10.00%	x	+	15.00%	(	100	-	x	)	=	12.00%	*	100	<BR>\n" );
document.write( "10	x	+	15	(	100	-	x	)	=	1200			<BR>\n" );
document.write( "10	x	+	1500	-	15	x	=			1200			<BR>\n" );
document.write( "10	x	-	15	x			=	1200	-	-1500			<BR>\n" );
document.write( "-5	x			=	-300								<BR>\n" );
document.write( "/	-5												<BR>\n" );
document.write( "	x			=	60		ml			10.00%		Saline A	<BR>\n" );
document.write( "					40		ml			15.00%		Saline B	<BR>\n" );
document.write( "													<BR>\n" );
document.write( "m.ananth@hotmail.ca													<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );