There are 40 Judges in the state of Rhode Island. 10 percent of Judges are under 30 years old. 60 percent of Judges are 30-50 years old. The rest of the Judges are over 50 years old. How many Judges are over 50 years old?
Let’s work this out in a step by step way to be sure we have the right answer.
12
Under 30: 40(.

10) = 4.

30 - 50 years old:40(.

60) = 24.

Over 50:40 - 4 - 24 = 12 Judges.

.

So, the final answer is 12