Fifty shoppers at a pet store were asked if they owned at least 1 cat or at least 1 dog. Data from their answers were recorded below.

$$\begin{array}{|c|c|} \hline \text{Ownership} & \text{Number of shoppers} \\ \hline \text{Cat(s) only} & 13 \\ \hline \text{Dog(s) only} & 24 \\ \hline \text{Both cat(s) and dog(s)} & 7 \\ \hline \end{array}$$

How many of these shoppers said that they owned NEITHER a cat NOR a dog?

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The total number of shoppers is 50. So,

$$13+24+7+ \text{Neither cat nor dog} = 50$$ $$44 + \text{Neither cat nor dog} = 50$$ $$\text{Neither cat nor dog} =\boxed{6}$$