Green and blue gummy bears

A bag contains gummy bears of 2 colors: blue and green.
There are 6 blue gummy bears.
If 2 bears are drawn at random from the bag, the probability that there is a bear of each colour is \(\dfrac12\).
How many green gummy bears are in the bag?
Give the sum of all possible answers.

Image Credit: Flickr Derrick Diemont.

Problem Loading...

Note Loading...

Set Loading...