85,001 round to the nearest ten thousand

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

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.)

Im so bad at fractions they are not my best math thing to work on