document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=808325>Question 808325</A>: <I><SPAN STYLE=\"word-break: break-all;\"> you need to use 3 calculations of drug H containing respectively 50%, 20% and 5% to make 600ml of 10% drug H. how much of the 50% will you use?\r<BR>\n" );
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document.write( "How much 30% alcohol, 45% alcohol. 60% alcohol and 95%  alcohol could be mixed to make 200ml of 50% alcohol\r<BR>\n" );
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document.write( "These 2 questions how to solve for me  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #486935 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=486935\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you need to use 3 calculations of drug H containing respectively 50%, 20% and 5% to make 600ml of 10% drug H. how much of the 50% will you use?<BR>\n" );
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document.write( "You can make 10% using 50% and 5%.<BR>\n" );
document.write( "Do it like this one. Only the numbers are different.<BR>\n" );
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document.write( "Amanda wants to make 8 gal. of a 20% saline solution by mixing together a 56% saline solution and a 8% saline solution. How much of each solution must she use?<BR>\n" );
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document.write( "e = amount of 8%<BR>\n" );
document.write( "f = amount of 56%<BR>\n" );
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document.write( "e+ f = 8 (total solution)<BR>\n" );
document.write( "8e + 56f = 20*8 (total saline)<BR>\n" );
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document.write( "e+ f = 8<BR>\n" );
document.write( "e + 7f = 20<BR>\n" );
document.write( "------------ Subtract<BR>\n" );
document.write( "-6f = -12<BR>\n" );
document.write( "f = 2<BR>\n" );
document.write( "e = 6<BR>\n" );
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document.write( "How much 30% alcohol, 45% alcohol. 60% alcohol and 95%  alcohol could be mixed to make 200ml of 50% alcohol<BR>\n" );
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document.write( "To make 50%, you need to mix one higher and one lower concentration, eg, 30% & 60%, 30% & 95%, etc.<BR>\n" );
document.write( "See above.<BR>\n" );
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document.write( "PS  Tutoring is not doing it for you.<BR>\n" );
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