(ˊ・ω ・)please help me with this

We want to find F U G, since the universal set is defined as such.

We can't directly add n(F) + n(G) since that would include duplicates from F and G, therefore we subtract by n(F ⋂ G), since n(F ⋂ G) gives what F and G share in common, removing the so called duplicate.

Therefore, Universal Set = n(F U G) = n(F) + n(G) - n(F ⋂ G) = 97+79-22=154 which is the option C.

720

step-by-step explanation:

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