An airline charges $150 for a ticket and $20 for each bag. Which equation shows the relationship between the number of bags, b, and the total cost, c, for flying with this airline?

2. using calculations based on a perpetual inventory system, determine the inventory balance altira would report in its august 31, 2021, balance sheet and the cost of goods sold it would report in its august 2021 income statement using the average cost method. (round "average cost per unit" to 2 decimal places.)