Sammy and his family took a hiking trip to the mountains. They started out with 20 pounds of food. They plan on eating 4 pounds of food each day. Write a. Equation that relates the remaining food supply r to the number d

The answer is r = 20 - 4d

Step-by-step explanation:

They started out with 20 pounds of food and consume 4 pounds each day which implies after d number of days, they would have consumed 4d pounds.

Hence, the remaining amount of food (r) = 20 - 4d