C. Two pairs of corresponding angles will lock in the 3rd angel and triangles will be similar
Having two pairs of corresponding sides does not guarantee similar triangles. See the attachment.
12% would be bigger because it is a whole number other then the fraction.
(5280 vodas) * (1/2.71828 moloko/voda) * (1/3.1416 pivo/moloko) ≈ 618 pivos
(because 5280 has 3 significant digits)