The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?
Pick
A) 14 years	B) 17 years	C) 18 years	D) 12 years	E) 11 years
9 * 2   = 181   Answer:18 years
<result>C</result>
The average age 9 members of a committee are the same as it was 2 years ago, because an old number has been replaced by a younger number. Find how much younger is the new member than the old number?