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Consider the principle
N{A ∪ B} = N{A} + N{B} − N{A ∩ B}.
An interview of 50 women in a residential subdivision reveals that 22 are gardeners while 31 are avid readers. How many are both gardeners and avid readers?

Respuesta :

Answer:

3

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Step-by-step explanation:

[tex]31+22-50[/tex]

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Calculate

[tex]53-50[/tex]

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Calculate the sum or difference

[tex]3[/tex]

I hope this helps you

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