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# How would you answer these questions? watch

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1. I have been presented with two questions and I am not so sure on answering them.

Any help will be appreciated.
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2. Aren't they the same question?

Anyway, I have no idea what it all means, so it's probably not maths. You might want to head over to... I don't know, economics?... if you don't get an answer here.
3. I don't understand all this bank stuff hehe
4. Exactly. We're mathematicians - face it, we're not gonna be earning much anyway.
5. You're given that

closing_point_today / world_bank_index_today = closing_point_yesterday / world_bank_index_yesterday

From the information given, you can work out closing_point_yesterday, and plug it in into the equation will eventually get you the world bank index yesterday.
6. (Original post by shomkin)
I have been presented with two questions and I am not so sure on answering them.

Any help will be appreciated.
Firstly note by how much the value of sterling has change from the previous day and work out the closing point of the sterling for the previous day, call this value y, then you're looking for the value of the WBI => 70.72/68 = y/WBI. Re-arrange for WBI and I get 67.6 (to 1.d.p)

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