document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=267284>Question 267284</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many kilograms of water must be evaporated from 40 kg of a 10% salt solution to produce a 25% salt solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #196203 by </B><A HREF=/tutors/aboutme.mpl?userid=palanisamy><B>palanisamy(496)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=palanisamy><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=196203\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given, 40 kgs of a solution contains 10% of salt.<BR>\n" );
document.write( "So, the quantity of salt in the solution = 40*(10/100)=4 kgs<BR>\n" );
document.write( "Let x kgs of water be evaporated so that the new solution contains 25% salt<BR>\n" );
document.write( "    (40-x)*(25/100) = 4<BR>\n" );
document.write( "    (40-x)*(1/4) = 4<BR>\n" );
document.write( "     40-x = 16<BR>\n" );
document.write( "       -x = 16-40<BR>\n" );
document.write( "       -x = -24<BR>\n" );
document.write( "        x = 24 kgs<BR>\n" );
document.write( "       </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );