Question

Use the information given in the figure.

How many are not in A?

Short answer

$n\left(A\text{'}\right)=31$.

Step-by-step solution

Step 1. Given Information.

The given figure is

Step 2. Counting values.

The values are

$$\begin{gathered} n\left(A\text{'}\right)=15+2+4+10 \\ n\left(A\text{'}\right)=31 \end{gathered}$$.