Felipe is saving money for a class trip. He already has saved $ 2 5 0 $250 that he will put toward the trip. To save more money for the trip, Felipe gets a job where each month he can add $ 3 5 0 $350 to his savings for the trip. Let m m be the number of months that Felipe has worked at his new job. If Felipe needs to save $ 2 7 0 0 $2700 to go on the trip, which equation best models the situation?