Final answer:
The ratio of hours Anna works to hours Anna sleeps is 1 : 1.
Step-by-step explanation:
To find the ratio of hours Anna works to hours Anna sleeps, we need to calculate the total number of hours Anna works and the total number of hours Anna sleeps.
Anna goes to school for 6 hours and works for 2 hours, so the total number of hours Anna works is 6 + 2 = 8 hours.
Anna sleeps for 8 hours, so the ratio of hours Anna works to hours Anna sleeps is 8 : 8, which can be simplified to 1 : 1.