Answer:
The frosty beverage would cost $1.09
Explanations:
From the list of items:
Cost of the fruit juice = $0.89
The Frosty beverage costs $0.20 more than the fruit juice:
Cost of the frosty beverage = Cost of the fruit juice + $0.20
Cost of the frosty beverage = $0.89 + $0.20
Cost of the frosty beverage = $1.09