Answer:
48 members.
Step-by-step explanation:
We have 6 rows with 8 members per row. Then, the total is
8 members * 6 rows = 48 members.
Now, 48 = 6*8 and also 48 = 12*4 or 48 = 16*3. Then, they can line up in 4 rows of 12 or 12 columns of 4 and also in 16 rows of 3 or 3 columns of 16.