Ninety students auditioned for the school play. One-third of those who auditioned were cast, 6 in major roles. What fraction of those who were cast got major roles? Write your answer as a decimal. Show your work.

Answer 1

One-third of the 90 students who auditioned were cast, so 90 / 3 = <<90/3=30>>30 students were cast.
6 of these 30 students were cast in major roles, so 6 / 30 = <<6/30=0.2>>0.2.
The fraction of those who were cast and got major roles is 0.2. Answer: \boxed{0.2}.