document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=765281>Question 765281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> We have 500 grams of a 10% salt solution. How many grams of water must be added to dilute the solution to form a 4% solution?\r<BR>\n" );
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document.write( "I have tried solving this, but I'm not sure if it's correct.\r<BR>\n" );
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document.write( "(2/100)*(500 + x) = 50\r<BR>\n" );
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document.write( "10 + (2/100)x = 50\r<BR>\n" );
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document.write( "(2/100)x = 50 - 10\r<BR>\n" );
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document.write( "X = 40/(2/100)\r<BR>\n" );
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document.write( "X = 200 grams. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #466066 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=466066\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is what you want to understand about a dilution:\r<BR>\n" );
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document.write( "{amount of salt initially}/{amount of final solution}={concentration of final solution}\r<BR>\n" );
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document.write( "Amount of starting salt:  500*0.10 grams\r<BR>\n" );
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document.write( "Amount of water to add for dilution:  let this be w\r<BR>\n" );
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document.write( "Amount of resulting solution of salt:  500+w\r<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28500%2A%280.10%29%29%2F%28500%2Bw%29=0.04%29 ALIGN=MIDDLE  ALT=\"highlight%28%28500%2A%280.10%29%29%2F%28500%2Bw%29=0.04%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "That uses decimal fractions and not percents.<BR>\n" );
document.write( "SOLVE FOR w. </SPAN>\n" );
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