Answer:
Bakugo talked for 120 minutes
Step-by-step explanation:
Start with $20 for the phone plan. Then you would subtract 20 from 116 so you only now have to do how ever long he talked for. ( 116 - 20 = 96 ) The leftover "cash" was $96, so you would divide 96 by 0.80 which is minutes divided by remaining money. Bakugo had talked for 120 minutes ( or two hours) during that month