Explanation:
Marcus rent a car for 2 days
Answer:
B is better then A if he rents a care for more than 3 days.
We want to be A>B, so it is:
30d>25d+15
30d-25d>15
5d>15
d>3
For 4days, 5days, 6 days and more plan B is better then plan A.
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