Answer
115.4
Work Step by Step
$n(A)=25.0$ (in millions)
$n(B)=93.5$
$n(A\cap B)=3.1$
The answer is $n(A\cup B)$
$n(A\cup B)=n(A)+n(B)-n(A\cap B)=25.0+93.5-3.1=115.4$
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