The number of the members of a club is more than 50 and less than 80. When 4 people sit at a table, other people exactly divided to 8-people groups (8 people sit at a table) or 7-people groups (7 people sit at a table). If the members are divided to 9-people groups, how many people will be left?	Choose the correct choice from the following answers
A) 0  B) 2  C) 4  D) 6  E) 8
The number of members is 7k+4 = 8j+4   The only number in this range which satisfies this is 60.   60/9 = 6(9) + 6   The answer is 6.
<result>D</result>
The number of the members of a club is more than 50 and less than 80. When 4 people sit at a table, other people exactly divided to 8-people groups (8 people sit at a table) or 7-people groups (7 people sit at a table). If the members are divided to 9-people groups, how many people will be left?