document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1184000>Question 1184000</A>: <I><SPAN STYLE=\"word-break: break-all;\"> From a full 50 liter container of a 40% conentration of acid, x liters is removed and replaced with 100% acid. \r<BR>\n" );
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document.write( "- Write the amount of acid in the final mixture as a function of x\r<BR>\n" );
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document.write( "--Determine the domain and range of the function. \r<BR>\n" );
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document.write( "Thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814517 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814517\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> yout total amount of solution is 50 liters.<BR>\n" );
document.write( "the amount of acid is .4 * 50 = 20 liters.<BR>\n" );
document.write( "if you take out x liters, you are taking out .4 * x liters of acid and you are putting back in 1 * x liters of acid.<BR>\n" );
document.write( "your net gain is .6 * x liter of acid.<BR>\n" );
document.write( "the amount of acid in the final solution is 20 + .6 * x.\r<BR>\n" );
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document.write( "for example:<BR>\n" );
document.write( "assume x = 30<BR>\n" );
document.write( "you take out 30 liters of 40% solution and replace it with 30 liters of 100% solution.<BR>\n" );
document.write( "your net gain is 30 liters of 60% solution = 18 liters of acid.<BR>\n" );
document.write( "your total acid is now 20 + 18 = 38 liters of acid.<BR>\n" );
document.write( "you had 20 liters of acid in the solution.<BR>\n" );
document.write( "you lost 30 * .4 = 12 liters of acid.<BR>\n" );
document.write( "you added 30 liters of acid.<BR>\n" );
document.write( "your total acid is 20 - 12 + 30 = 38 liters.<BR>\n" );
document.write( "20 + .6 * 30 = 38\r<BR>\n" );
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document.write( "formula looks good.<BR>\n" );
document.write( "the amount of acid you are left with is equal to 20 + .6 * x.\r<BR>\n" );
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