document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=418046>Question 418046</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how much alcohol must a nurse add to 10ml of a 60% alcohol solutions to strengthen it to 90% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #292656 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=292656\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how much alcohol must a nurse add to 10ml of a 60% alcohol solutions to strengthen it to 90% solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "alcohol + alcohol = alcohol<BR>\n" );
document.write( "0.60*10 + 1*x = 0.9(10+x)<BR>\n" );
document.write( "Multiply thru by 10 to get:<BR>\n" );
document.write( "6*10 + 10x = 9*10+9x<BR>\n" );
document.write( "x = 3*10<BR>\n" );
document.write( "x = 30ml (amt. of pure alcohol needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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