document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=402183>Question 402183</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has a 30% saline solution and a 55% saline solution available. How many milliliters of each of these available solutions should she mix to obtain 700 ml of a 40% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #284515 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=284515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A chemist has a 30% saline solution and a 55% saline solution available. How many milliliters of each of these available solutions should she mix to obtain 700 ml of a 40% solution?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = amount (ml) of 30% solution<BR>\n" );
document.write( "then<BR>\n" );
document.write( "700-x = amount (ml) of 55% solution<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".30x + .55(700-x) = .40(700)<BR>\n" );
document.write( ".30x + 385 - .55x = 280<BR>\n" );
document.write( "385 - .25x = 280<BR>\n" );
document.write( "-.25x = -105<BR>\n" );
document.write( "x = 420 ml (30% saline)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "55% saline:<BR>\n" );
document.write( "700-x = 700-420 = 280 ml\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
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