Nick works two jobs to pay for college. he tutors for $15 per hour and also works as a bag boy for $8 per hour. due to his class and study schedule, nick is only able to work up to 20 hours per week but must earn at least $150 per week. if t represents the number of hours nick tutors and b represents the number of hours he works as a bag boy, which system of inequalities represents this scenario? a.) t + b greater than or equal to 20 15t + 8b = 150 b.) t + b less than or equal to 20 15t + 8b greater than or equal to 150 c.) t + b less than or equal to 20 15t + 8b less than or equal to 150 d.) none of the systems shown represent this scenario.