The Math Club is selling plain and patterned wrapping paper as a fundraiser. One student raised $62 by selling 10 rolls of plain and 8 rolls of patterned. Another raised $85 by selling 15 rolls of plain and 10 rolls of patterned Write an equation for the second student:

Solve the system:

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?