How do I perform operations within a funtion that operates on colu
I am trying to calculate the % of people under a certain age. In the
COUNTIF() funtion, how do I calculate the age and then compare it to the
chosen value?
e.x. =COUNTIF(A1:A3,(calculate age) <=60)
7/14/1932
4/28/1951
11/11/1939
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