Answer:
160 (not sure)
Step-by-step explanation:
400 / 2.5 = 160
160x1 = 160
Y = -2.1 , x = 3.5 the first line will be horizontal and the other will be vertical
You have to put the number in the graph
There are now 28 members
all you do is 80 times 0.65 = 52
but you still have to subtract 80 - 52 to find the number of members left
SOOOO
28 members still there
52 members quit