It’s 20 I believe. All together it should be 160 so you add 118 and 22 to get 140. Then subtract that from 160 and you get 20.
6 balls in the bag
1/6 getting the random color
1/6=about .16
so C
A) cylinder
b) triangular pyramid
The slide costs $2 each time you ride. $15/2 = 7.5 so you can ride it 7 times.
