document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=909296>Question 909296</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Nursing and pharmacy students must solve dosage composition problems similar to this exercise. Set up an equation and solve by an appropriate method.\r<BR>\n" );
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document.write( "How much hydrogen peroxide in a 2% solution must be blended with hydrogen peroxide in a 20% solution to obtain 1000 liters of a 3.8% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #551826 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=551826\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=1000,<BR>\n" );
document.write( "0.02*a+0.2*b=0.038*1000<BR>\n" );
document.write( "a=1000-b<BR>\n" );
document.write( "0.02*(1000-b)+0.2*b=38.0<BR>\n" );
document.write( "20-0.02b+0.2*b=38.0<BR>\n" );
document.write( "0.18*b=18.0<BR>\n" );
document.write( "b=100.0<BR>\n" );
document.write( "a=1000-b<BR>\n" );
document.write( "a=900  liter at 2%<BR>\n" );
document.write( "b=100  liter at 20%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.02*900+0.2*100=0.038*1000<BR>\n" );
document.write( "18+20=38.0<BR>\n" );
document.write( "38=38.0<BR>\n" );
document.write( "ok<BR>\n" );
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