Answer :
Answer: when 0.10 + 15 > 50, or
When # of minutes > 350
Step-by-step explanation:
Since there is no additional cost for the second plan, the most that the amount for the number of minutes can be for the first plan is 35$, since 35 + 15 is 50. That would be 350 minutes. Go over that and the first plan would be more expensive than the second one