Question

A box is filled with 6 yellow cards, 2 blue cards, and 4 red cards. A card is chosen at random from the box. What is the probability that the card is not blue?

Answer 1

⅚

Explanation:

P(not blue) = 1 - P(blue)

= 1 - 2/12

= 1 - ⅙

= ⅚

Answer 2

5/6

Explanation:

6 yellow + 4 yed = 10 cards that is not blue

10 cards + 2 blue = 12 cards all together

= 10/12

= 5/6