Question

A bag contains 2 blue marbles, 3 green marbles, 1 white marble and 4 red marbles.

What is the probability of selecting a red marble? Your answer should be in simplified
form.

Answer 1

1/45

Explanation:

2/10 * 1/9 = 1/45

2/10= 2 red marbles and 10 marbles in total.

Answer 2

2/5

Explanation:

add all marbles together: 10 marbles

since only 4 are red, the fraction would be 4/10

4/10 can be simplified to 2/5