document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1095527>Question 1095527</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many litres of 15% weedkiller mixture must be added to 5 litres of 10% weedkiller<BR>\n" );
document.write( "mixture to make a 12% weedkiller mixture?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #710042 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=710042\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x equal the number of liters of 15% weedkiller.\r<BR>\n" );
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document.write( "your equation is .15 * x + .10 * 5 = .12 * (x + 5)\r<BR>\n" );
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document.write( "simplify to get .15 * x + .10 * 5 = .12 * x + .12 * 5\r<BR>\n" );
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document.write( "simplify further to get .15 * x + .5 = .12 * x + .6\r<BR>\n" );
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document.write( "subtract .12 * x from both sides and subtract .5 from both sides and simplify to get .03 * x = .1\r<BR>\n" );
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document.write( "divide both sides by .03 to get x = .1 / .03 = 3.333333333 rounded to 9 decimal digits.\r<BR>\n" );
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document.write( "you would need 3.333333333 liters of 15% solution to be added to 5 liters of 10% solution to get 8.333333333 liters of 12% solution.\r<BR>\n" );
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document.write( ".15 * 3.333333333 = .5<BR>\n" );
document.write( ".10 * 5 = .5\r<BR>\n" );
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document.write( ".5 + .5 = 1\r<BR>\n" );
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document.write( "5 + 3.333333333 = 8.333333333\r<BR>\n" );
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document.write( "1 divided by 8.333333333 = .12 which is equal to 12%.\r<BR>\n" );
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document.write( "solution looks good.\r<BR>\n" );
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document.write( "you would need 3 and 1/3 liters of 15% solution to be added to 5 liters of 10% to get 8 and 1/3 liters of 12% solution.\r<BR>\n" );
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document.write( "in decimal form rounded to 2 decimal digits, you would need 3.33 liters of 15% solution to be added to 5 liters of 10% solution to get 8.33 liters of 12% solution.\r<BR>\n" );
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