Seats at a local entertainment venue sell for $5 each in the lower level and $4 each in the upper level. If all the seats are sold, the total revenue is $2,674. At a recent event, only 1 7
of the lower level seats and 4
7
of the upper level seats were sold, for a total of 262 seats. Let x represent the total number of lower level seats, and let y represent the total number of upper level seats.

Which equation represents the total revenue?

Which equation represents the total number of tickets sold?

How many seats does each section have?