Question 982911

A chemist has three different acid solutions. The first acid solution contains 25% acid, the second contains 40% and the third contains 80%. He wants to use all three solutions to obtain a mixture of 66 liters containing 55% acid, using 3 times as much of the 80% solution as the 40% solution. How many liters of each solution should be used?
<pre>25% acid to mix: {{{highlight_green(22)}}} L
40% acid to mix: {{{highlight_green(11)}}} L
80% acid to mix: {{{highlight_green(33)}}} L