Connor D. answered 11/09/15
Tutor
New to Wyzant
MIT Mathematical Physics Grad For Math, Science and SAT Tutoring
My interpretation of the problem is that they want to know the price per oz of the orange juice, so therefore the unit price is $1.29/(12oz)=$0.11/oz after rounding.
I look forward to answering more of your questions.
-cldp