Answer:
c
Step-by-step explanation:
100, 200, 500, 1200
100 - 200 is x2
200 - 500 is x2.5
500- 1200 is x2.4
C
Because as the minutes go up the price stays at 1/20 of the minutes is ok 5 divided by 100 is 20 so they pay 1 dollar per every 20 minutes for every plan higher too check it yourself
