Column A Column B Column C
100 100 =Sum(A1+B1)/2
100 =Sum(A1+B1)/2
100 100 =Sum(A1+B1)/2
As above i've two columns both with numbers in - i need to add them together and then divide by 2 - however column a and column b may not have a number in so results for above with my formula would be:
C1 100
C2 50
C3 100
and I want them to show:
C1 100
C2 100
C3 100
Thanks.
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