Joanne works two jobs to pay for college. She tutors for $25 per hour and also works as a receptionist for $12 per hour. Due to her class and study schedule, Joanne is only able to work up to 25 hours per week but must earn at least $200 per week. If t represents the number of hours Joanne tutors and r represents the number of hours she works as a receptionist, which system of inequalities represents this scenario? t + r greater than or equal to 25 25t + 12r = 200 t + r less than or equal to 25 25t + 12r less than or equal to 200 t + r less than or equal to 25 25t + 12r greater than or equal to 200 None of the systems shown represent this scenario