la señora diana compra 11/16 m de tela color rosa. y 5/3 m de tela color amarilla para hacer vestidos de graduacion cada metro cuesta 32.50 por cual delas dos pago mas​

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?