A geometric series has a common ratio of 3/5 and an initial value of 1/2 . Which of the following is not a term in the geometric series? A: 1/2
B: 13/125
C: 9/50
D: 27/250

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?