Question

I'm confused about this!

Answer 1

Answer: It’s 16

Explanation:

Answer 2

16

Explanation:

im presuming 33 own only a fish, and 20 own only a gerbil

so 32/100 pupils own both a fish and gerbil

this can be written as 32% or 0.32 for probabilty

so all u do now is 50 x 0.32

which is 16