The average age of the 8 members of a club committee is the same today as it was 3 years ago, because one elderly member has just been replaced by a new young member. How many years younger than the outgoing member is the new member?
24 years
3 years
8 years
21 years
The verified answer and full solution are one login away
Every answer here is machine verified, with a step-by-step solution that teaches the method. Your login also unlocks a 7-question mock preview in the real exam interface.
Log in to see the answerMore averages questions