I think I'm having a massive blonde moment...
How would I begin?
edit: also this question:
Here's my working so far:
I'm stuck here. I don't actually know what to do with multi-layered fractions, never been taught it.
I know the answer is
So clearly, I have to multiply by
How do I get there?
Also, this question:
Here's my working, I'm starting to think the question is wrong..?
What do I do from here?