Answer:
8%
percent increase
Explanation:
Last month:
3500 unlimited
4700 limited
total: 8200
This month:
unlimited 3500 × 1.55 = 5425
limited 4700 × 0.75 = 3525
total: 8950
Part A:
8950/8200 = 1.0848484
% change = 8%
Part B:
The total number went up from 8200 to 8950, so it's an increase.
B. percent increase