Question

Tori works two jobs to pay for college. She tutors for $30 per hour and also works as a receptionist for $10 per hour. Due to her class and study schedule, Tori is only able to work up to 20 hours per week, but must earn at least $200 per week. If t represents the number of hours Tori tutors and r represents the number of hours she works as a receptionist, which system of inequalities represents this scenario?. . a. t + r greater than or equal to 20. 30t + 10r = 200. . b. t + r less than or greater to 20. 30t + 10r less than or greater to 200. . c. t + r less than or greater to 20. 30t + 10r = 200. . d. t + r less than or greater to 20. 30t + 10r greater than or equal to 200

Answer 1

T=number of hours she tutors.
r=number of hours she works a receptionist.

Tori is only able to work up to 20 hours per week.

t+r≤20

She tutors for $30 per hour and works as a receptionist for $10 per hour. She must earn at least $200 per week.

30t+10r≥200

Answer: t+r less than or equal to 20;      30t+10r greater than or queal to 200.

t+r≤20
30t+10r≥200