Question

Ben has a bag with 7 red counters, 10 green counters and 13 yellow counters. Ben takes a counter from the bag at random. Find the probability that Ben takes a green counter.

Answer 1

10/30 or 1/3

Explanation:

7+10+13 = 30

7/30+13/30 = 20/30

30/30-20/30 = 10/30 or 1/3