11. Find the mean, median, and mode of the data set. Round to the nearest tenth.
7,5,4,2,1,1,2,3,5,4,5
a)mean = 3.5 median = 4 mode = 5
b)mean = 3.25 median = 4 mode = 5
c)mean = 3.5 median = 5 mode = 4
d)mean = 3.25 median = 5 mode = 4

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?