Answer:
A. When Plan one is used 8 times it will be equivalent to 1 trip at plan 2. We know that plan one is always increasing by 2, so we keep on adding 2 to each visit until we reach the least common cost for both plans, which would be Plan one used 8 times and Plan two used once.
B. Plan one used 10 times gets you to pay the cost of 45 dollars, while Plan two would make you pay 51. So Plan 2 would be more expansive because it has started much more expansive than Plan one, so in a way it would have the upper hand because you would alweays pay more
Explanation: