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# Chemistry UMS - Will take 2 seconds to answer LITERALLY! watch

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1. I know that to get an A (80UMS) in June 2009 for the A-Level AQA CHEMISTRY paper was 54/70

what raw mark did you have to get to get 100UMS, is the question.

It will take 2 seconds + rep (if its worth anything)
2. Comon Guys
3. Is this a trick question?
4. Are you a wizard?
5. (Original post by aura1947)
Is this a trick question?
LOL wut?

Hell no, this isn't a trick question :s
6. (Original post by Moonkin)
Are you a wizard?
wahhhht..... have i gones crazzzzzzy?
7. UMS doesn't work how you think it works..
8. the difference between getting an A and B, then multiply it by 2 is usually what they say but i think that's a load of rubbish....depends on how well you did compared to everyone else.....
9. Just apply proportion I guess. :/

80 is 54
100 must be x

x = 67.5

lmao.
10. (Original post by taheki)
UMS doesn't work how you think it works..
I do know how UMS works.

I just asked for the raw marks to get 100UMS, whether it be 67, 68, 69, or 70/70.
11. (Original post by ?!master?!mini?!)
I do know how UMS works.

I just asked for the raw marks to get 100UMS, whether it be 67, 68, 69, or 70/70.
There is no set figure.
12. What was the b grade boundary? I can tell you then.
EDIT: found the b grade was 47 therefore full UMS would be 68, (68=A+2x(A-B))
13. If you know what the raw mark for 70 UMS is, take the difference between the raw marks for 80 UMS and 70 UMS, multiply that by 2 and add to the raw mark for 80 UMS. If the answer is above 70/70 then that's what's needed for 100 UMS.
14. In this case, it would be 68.
15. (Original post by ?!master?!mini?!)
I do know how UMS works.

I just asked for the raw marks to get 100UMS, whether it be 67, 68, 69, or 70/70.
You've just demonstrated that you absolutely do not know how UMS works. You can't just do a simple division, work out the amount of raw marks needed for each UMS and multiply by 100.. that's not how they calculate it. The boundary between each grade is not equal in terms of raw marks.
16. The answer iiisss..............global warming.

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