document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=258552>Question 258552</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A photographer is mixing 2 liters of a 10% acetic acid solution with a 5% solution to get a 7% solution. How many liters of the 5% solution should he add? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #190357 by </B><A HREF=/tutors/aboutme.mpl?userid=drk><B>drk(1908)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=drk><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=190357\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> This is a mixture problem. Here is the table based on the given information:<BR>\n" );
document.write( "ACID . . . . . . . .% . . . . . . . . .LITER . . . . . . . . . % x Liter<BR>\n" );
document.write( "10% . . . . . . . . .10 . . . . . . . .. 2 . . . . . . . . . . . .20<BR>\n" );
document.write( "5% . . . . . .. . . . .5 . . . . . . . . .x . . . . . . . .. . . . . 5x<BR>\n" );
document.write( "MIX . . . . . . . . . .7 . . . . . . . . x+2 . . . . . .. . . . . .7x + 14<BR>\n" );
document.write( "we don't know the 5%, so call it x. The total liters is the sum of these two, or x + 2.<BR>\n" );
document.write( "Now we have the last column as<BR>\n" );
document.write( "20 + 5x = 7x + 14<BR>\n" );
document.write( "solving for x, we get<BR>\n" );
document.write( "6 = 2x<BR>\n" );
document.write( "3 = x<BR>\n" );
document.write( "We need 3 liters of the 5% solution. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );