48oz big gulp for $1.39 or a 32 oz coke for $.89.

32 oz coke for $0.89 is the better deal

 32 oz coke for $0.89 is better deal.

Step-by-step explanation:

Since we have given that

48 oz big gulp for $1.39.

so, unit rate would be

32 oz coke for $0.89.

So, unit rate would be

So, 32 oz coke for $0.89 is better deal.

b

step-by-step explanation: