57. problem solving a restaurant sells 330 sandwiches
each day. for each $0.25 decrease in price, the
restaurant sells about 15 more sandwiches. how
much should the restaurant charge to maximize daily
revenue? what is the maximum daily revenue?
(see example 5.)
nd
all
sandwiches
66
funbey obet
am reene
-roast beef
choken sulod

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?