In 1995, 10% of children of age 12–19 were obese. Five years later, in 2000, the percentage had increased to 21%. What is the absolute change (in percentage points) and the relative change (percent)?

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?