document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=838300>Question 838300</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that x liters of pure peroxide are added to 700 liters of a 20% peroxide solution. Write a formula that gives the concentration, C, of the new mixture. How many liters of pure peroxide should be added to produce a new mixture that is 35% peroxide? Round to the nearest liter.  Please show work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #504993 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=504993\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .20*700+x=c*(700+x)\r<BR>\n" );
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document.write( ".20*700+x=.35*(700+x)<BR>\n" );
document.write( "x = 161.538<BR>\n" );
document.write( "x=162 rounded </SPAN>\n" );
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