2.2 pints because 1 gallon is equal to 8 pints so then you divide 8 by 3 because their is 3 containers.
Well for answer 23 is -6 √(5) + 6 √(2).
The answer for 25 is -3 √(5) - 2 √(6)
And the answer for 27 is -15 √(5) + 4 √(3) + 3 √(6)
Hope this helps :)
X = 3.916
Sorry if the image is hard to read I had to smoosh it so it would fit