The cost of a ticket to an amusement park is 42 per person. for groups of up to 8 people, the cost per ticket decreases by 3 dollars for each person in the group. marco's ticket cost $30, write and solve an equation to find the number of people marco's people?

tell me how many people were in marcos group.

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.)