A jar of 220 marbles is divided equally among a group of marble-players today. If 2 people joined the group in the future, each person would receive 1 marble less. How many people are there in the group today?  Choose the correct choice from the following choices:
A) 20  B) 21  C) 22  D) 23  E) 24
220 = 20*11 = 22*10   There are 20 people in the group today.   The answer is 20.
<result>A</result>
A jar of 220 marbles is divided equally among a group of marble-players today. If 2 people joined the group in the future, each person would receive 1 marble less. How many people are there in the group today?