Aprinter will produce katie wedding invitations for $210. the price to produce 120 invitations is $290. the printer uses a linear function to determine the price for producing different amounts of invitations. how much will the printer charge to produce 60 invitations

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?