Question

(b) Netta has a tub containing 12 white tennis balls and 8 green tennis balls.

She puts some more green tennis balls into the same tub.
She then chooses a tennis ball at random from the tub.
The probability that Netta picks a white tennis ball is
How many more green tennis balls did Netta put in the tub?
.

Answer 1

it says she puts dmore green so its most likely gonna be green so calculating the probability of white probably about 46%

and if that is so she added 6 more balls