Mrs. West has decided to take her fifth grade class to a play.The manager of the theater agreed to discount the regular $40 price of the ticket by $0.20 for each ticket sold. The cost of the bus,...

Mrs. West has decided to take her fifth grade class to a play.The manager of the theater agreed to discount the regular $40 price of the ticket by $0.20 for each ticket sold. The cost of the bus, $500, will be split equally among each of the students.How many students must attend to keep the cost per student at or below $40?