Question

A box contain 6 blue marbles,12 green marbles and 36 red marbles. find the probability of a marble picked at random from the box is a red marble or a blue marble?

Answer 1

Answer:

7/9

Step-by-step explanation:

total marbles: 12+6+36 = 54

p(r) = 36/54

p(b)= 6/54

36/54 + 6/54 = 42/54

simplify further 7/9