By adding the two together. 31 added to 60 would be 91
C I think so sorry if I’m wrong
<span>For chess club:
y1 = 16 + 1*x where y1 = total number of members after x months
.
For film club:
y2 = 4 + 4*x where y2 = total number of members after x months.
y1 = y2 when:
16 + x = 4 + 4x
3x = 12
x = 4 months
Answer: C. 4 months.</span>
Answer: 8. There were 11 pieces and 3 were used, so 8 are left.