No matter how hard I tried I could not do that simaltaneous equation. I think I kept doing it wrong, but i got 2.5 and 1 (probs wrong)- im talking bout Edexcel Higher.
I'd Q 18
Which was 0.45 (recurring) =15/33
n=0.45 recurring.
100n= 45.45 recuring
100n-n= 45
so 99n=45 (DIVIDE ALL BY 3)
33n=15
15/33=n =]
love it


'd Q 18
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