1 .Alex is building a house. The materials cost 1/1/2 times the cost of the land.
The wages cost 1/1/4 times the cost of the land.
(a) Show that the ratio of costs, in its simplest form, is land : materials : wages = 4: 6:5.​

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?