document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=835711>Question 835711</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many grams of salt must be added to 90 grams of a 20% salt solution to make 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 #503675 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=503675\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many grams of salt must be added to 90 grams of a 20% salt solution to make a 25% salt solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "salt + salt = salt<BR>\n" );
document.write( "1*x + 0.20*90 = 0.25(x+90)<BR>\n" );
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document.write( "100x + 20*90 = 25x + 25*90<BR>\n" );
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document.write( "75x = 5*90<BR>\n" );
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document.write( "x = (1/15)90<BR>\n" );
document.write( "x = 6 grams (amt of pure salt to add)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );