Answer:
I would say 5 hours
Explanation:
she worked 28 hours for 4 days of work. If she works two hours every morning for 4 days I would multiply those numbers together and get 8 so that leaves me with 20 hours. I would then divide 20 by 4 and that would leave me with 5 hours.
therefore she has been working 5 hours each afternoon.
hope this helps :)