Hi, I need help with this story problem. Zach has the following partial bags of sugar in his pantry; 2 c., 1.5 c., 0.5 c., 3 c., and 1.5 c. If he uses 1 c. of sugar for his baking, how many cups of sugar will he have left?​

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?