Answer:
The larger size container and the Cold farms is the better deal for Sheldon.
Explanation:
Given:
1 gallon = 8 pints

Multiply the gallons to 20
8 × 20 = 160
Then, the large size is 18.
4.50 ×4 =18 (1 Gallon= 4 quartz)
Therefore, the larger size container and the Cold farms is the better deal for Sheldon.