Lizzy: Percius has a collection of marbles. 40% of them are clear. 20% are black, and the remainder are all the other colors. A friend of his asks if he can take five marbles. On average, how many marbles of other colors will his friend end up getting?.
Me: Hmmm, let me think. I think this is the detailed solution:
User
40% of the marbles are of other colors because 100 - 20 - 40 = 40. The friend will on average get 2 other colored marbles because 5 x .4 = 2. Final answer: 2.
Assistant