The 3/4 is eighteen.
I'll work it out for you.
4/4 is the number itself. When you subtract 1/4 of it, you get 3/4.
Hope it helped!
D. Biased
Objective means lacking bias and not influenced by personal opinions, so being biased would be the opposite:)
No, I don't think it is a rhetorical device
Within four years organize and run an event to raise money for charity within four years earn a certification in personal finance