The mean of the masses of a group of four students is 30 kg. One student joins the group. The mean of the masses og the five students is 32 kg. Find the mass of the student who joined the group.

Can someone me do math because i am having a breakdown rn because i don’t get it

Madeline takes her family on a boat ride. going through york canal, she drives 6 miles in 10 minutes. later on as she crosses stover lake, she drives 30 minutes at the same average speed. which statement about the distances is true?

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.)