Hey!
I've just finished my HSC, and thought I'd make a big thread on a 'guide to English Advanced' and Economics if wanted. If you guys have seen Crobats English Adv guide, it'll be similar to that, but updated modules and i'll include all of my resources. I'm probably not going to state rank...
Hey,
So I did this by subbing in values (rlly not efficient and time consuming). Can someone show me how they would actually solve this? Thanks
The answer is (B)
Hello, hello!
I'll cut right to it.
I'm confused why the answer is 16 - and feel especially stupid because you get that from 249 - 233, however i don't see the connection. Can someone explain this to me?
The sum of 50 terms of an arithmetic series is 249 and the sum of 49 terms of the...