Mewhoever gets it right gets brainliestmike's grandmother opened a savings account in mike's name and deposited some money into the account. the account pays an annual simple interest rate of 10%. after 9 years, the interest earned on the account was $5,400. how much money did mike's grandmother deposit in the account?

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?