Question: to save money on ice and keep your food cold for longer
Options:
Fill clean, empty milk jugs with water and chill it before leaving on your camp trip. Add the jugs to your cooler
Fill clean, empty milk jugs with water and freeze it before leaving on your camp trip. Add the jugs to your cooler
Answer: Fill clean, empty milk jugs with water and freeze it before leaving on your camp trip. Add the jugs to your cooler