Litteraly someone pls help ill mark brainlist and a thank u and 5 stars pls this is due in a couple of min.

585

the number of people is multiplied by 39% each time so to figure out how many people will participate out of 1500 you will multiply 39% by 1500 and to get 39% to a decimal , you divide by 100.

39% / 100 = 0.39

0.39 * 1500 = 585

hope this helps!