document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=829840>Question 829840</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to calculate a 3% solution (of 1000mls) from a 93% stock (of 100mls).\r<BR>\n" );
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document.write( "I have tried the method...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C1+x+V1+=+C2+x+V2+.+V1+=+%28C2+x+V2%29+%2F+C1+=+%3F+ ALIGN=MIDDLE  ALT=\"+C1+x+V1+=+C2+x+V2+.+V1+=+%28C2+x+V2%29+%2F+C1+=+%3F+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "but am a little confused and not really sure if it the formula that I ought to be using.\r<BR>\n" );
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document.write( "C1 = 93% [x100] = 0.93<BR>\n" );
document.write( "V1 = 100mls\r<BR>\n" );
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document.write( "C2 = ? [I don't know what goes here]<BR>\n" );
document.write( "V2 = 1000mls\r<BR>\n" );
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document.write( "V1 = (V2 x C2) / C1 = ?       100ml  = (1000mls  x C2) / 100mls = ?\r<BR>\n" );
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document.write( "I get stuck at C2!  What is this meant to be?  Where do I get the number from?\r<BR>\n" );
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document.write( "Is this even the right formula for me?!\r<BR>\n" );
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document.write( "I have a stock that is a 93% solution, but I have 1000mls of water that I need to be at 3%.\r<BR>\n" );
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document.write( "Hope you can help or confuse me!<BR>\n" );
document.write( "Thank you<BR>\n" );
document.write( ":)<BR>\n" );
document.write( "Mariana\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #500160 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=500160\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "I'm assuming that the solvent is pure water, so the answer is clear.<BR>\n" );
document.write( "The answer is the same regardless of the solvent.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = volume of pure water<BR>\n" );
document.write( "y = volume of 93% stock solution<BR>\n" );
document.write( "---<BR>\n" );
document.write( "0x + 93y = 3(x + y)<BR>\n" );
document.write( "x + y = 1000<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "93y = 3x + 3y<BR>\n" );
document.write( "x + y = 1000<BR>\n" );
document.write( "---<BR>\n" );
document.write( "3x - 90y = 0<BR>\n" );
document.write( "x + y = 1000<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above linear system in standard form into this matrix-method solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "x = volume of pure water = 967.742 ml<BR>\n" );
document.write( "y = volume of 93% stock solution = 32.258 ml<BR>\n" );
document.write( "---<BR>\n" );
document.write( "check total volume = 967.742 + 32.258 = 1000.000 ml<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
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