You have that Aniya earns $9 per hour of work. She work during 12 weeks.
Furthermore, you take into account that she works the following number of hours each day, each week:
- Monday = 4 hours
- Wedbesday = 5 hours
- Thursday = 5 hours
- Saturday = 3 hours
- Sunday = 3 hours
Then, per week Aniya works:
4 + 5 + 3 + 3 = 15
She works 15 hours per week. She works during 12 weeks, then, in such a time she works:
12(15) = 180
Then, she works 180 hours in 12 weeks.
Finally, in all that time she earns:
9(180) = 1620
Hence, she earns $1620