If you need to know how many she had left then... 2/5 x 1/3 = 6/15. Sorry if I came out rude, but I hope I helped! Let me know if you need anything else!
"Latin terminology" is the correct answer, because legal English uses formal language, and Latin words are, of course, very formal. "Common vocabulary" is quite informal, there is no reason to use "archaic words", and legal English rarely uses "simple sentences", but rather very complex ones.
2. It was extremely embarrassing when my father was accused of corruption.
3. I was deeply embarrassed when I suddenly tripped on the catwalk.