document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=499238>Question 499238</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i'm trying to solve this problem but i really have no idea how to do it. \r<BR>\n" );
document.write( "\n" );
document.write( "How many milliliters of a 6% alcohol solution must be added to 12 milliliters of a 31% alcholol solution to produce a 16% alcohol solution?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #337505 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=337505\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = the required number of milliliters of 6% alcohol solution.<BR>\n" );
document.write( "Let's find out how much alcohol we have.<BR>\n" );
document.write( "The number of milliliters of alcohol in the x ml. of the 6% solution is:<BR>\n" );
document.write( "x(0.06) and in the 12 ml. of the 31% solution we have 12(0.31) ml. of alcohol.<BR>\n" );
document.write( "When added together, these are to equal (12+x)(0.16)ml. of alcohol, so we can write the equation to find x.<BR>\n" );
document.write( "0.06x+0.31(12) = 0.16(12+x) Simplify and solve for x.<BR>\n" );
document.write( "0.06x+3.72 = 1.92+0.16x Subtract 0.06x from both sides.<BR>\n" );
document.write( "3.72 = 1.92+0.1x Subtract 1.92 from both sides.<BR>\n" );
document.write( "1.8 = 0.1x Divide by 0.1<BR>\n" );
document.write( "x = 18<BR>\n" );
document.write( "You will need to add 18ml. of 6% alcohol solution to the 12ml. of the 31% alcohol solution to obtain (12+x = 30)ml. of 16% alcohol solution. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );