Thread: Maths question for you all...!
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Old 01-18-2013, 12:10 PM  
d-null
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Quote:
Originally Posted by woj View Post
you just subtract 2nd equation from the first...

(a+b)/2=90
(a+c)/2=150
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(a+b-(a+c))/2=90-150
(a+b-a-c))/2=-60
(a+b-a-c))/2=-60
(b-c)/2=-60
this is correct, and I said it already a few posts up
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