Answer: Team D
Explanation: The equation for calculating total points is 25x-15y.
Team A’s equation is (25x13)-(15x3)=280
Team B’s equation is (25x15)-(15x7)=270
Team C’s equation is (25x11)-(15x0)=275
Team D’s equation is (25x12)-(15x1)=285
Team D ends with the most points.