A jar of 180 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 answers.
A) 16	B) 18	C) 20	D) 22	E) 24
180 = 18*10 = 20*9   There are 18 people in the group today.   The answer is 18.
<result>B</result>
A jar of 180 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?