document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=409246>Question 409246</A>: <I><SPAN STYLE=\"word-break: break-all;\"> to dilute a solution that is 40% saline, a chemist combines it with a solution that is 15% saline. How much of each solution should she use if she needs 150mL of a solution that is 25% saline? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288134 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=288134\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> to dilute a solution that is 40% saline, a chemist combines it with a solution that is 15% saline. How much of each solution should she use if she needs 150mL of a solution that is 25% saline?<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "Equation: <BR>\n" );
document.write( "salt + salt = salt<BR>\n" );
document.write( "0.40x + 0.15(150-x) = 0.25(150)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "40x + 15*150-15x = 25*150<BR>\n" );
document.write( "25x = 10*150<BR>\n" );
document.write( "x = 60mL (amt. of 40% solution needed)<BR>\n" );
document.write( "150-x = 90mL (amt. of 15% 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" );