Victoria counts this week's food donations at a pet shelter. There are 16 full cases of canned food. There are 4 cases of canned food that are each missing 5 cans. Victoria records a total of 220 cans of food. a. Use c to represent the number of cans in a full case. a. What expression could represent the number of cans in each case that is missing cans?

b. Write an equation you could use to find c.