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.

just do 5.2 + 2 ( 7.2) and 1/3 x 3 (.9) and youv'e got your equation. 0.9( 9/10) + 7.2 ^2 = 16.4 hope i could !

step-by-step explanation: