I suppose 60 could also be 30 twos.
However, I'm not sure about this or treble twenty though- in a ditloid wouldn't a number be shown as digits? =eg 60= T20
Find a word to substitute for each capital letter. Each dash represents an article or a preposition.
ie. 3= S--T answer Sides of a Triangle
I have solved (I think) 62 out of 80 questions.
Answer to Murraymints
There is no special theme except for finding out what the numbers represent. The clue to finding the answer is in the capital letters and dashes.