document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1135642>Question 1135642</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Serena is making an experiment. For that, she needs 20 grams of a 52% solution of salt. She has two large bottles of salt water: one with 40% and the other with 70% of salt in them. How much of each must she use to make the solution she needs? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #753269 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=753269\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x grams of 40% and 20-x grams of 70%\r<BR>\n" );
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document.write( "0.40x+0.70(20-x)=0.52*20<BR>\n" );
document.write( "0.40x-0.70x+14=10.40<BR>\n" );
document.write( "-0.30x=-3.60<BR>\n" );
document.write( "x=12 grams of 40% or 4.8 gms pure and <BR>\n" );
document.write( "20-x=8 grams of 70% or 5.6 gms pure.<BR>\n" );
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