A box contains only red yellow and green jelly beans. The number of red jelly beans 4/5 of the number of green jelly beans 3/4 the number of yellow ones. If there are 470 beans in total, what's the probability of picking yellow?

A jar contains a number of jelly beans of which 58 are red, 78 are green, and the rest ... If the probabilityof choosing a blue jelly bean from this jar at random is, how ... If there are 78 blue jelly beans, then you would have a total of 58 + 78 + 78 ...