Have a good weekend evreybody :)

Which of the following properties can be used to show

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Each equation given below describes a parabola. which statement best compares their graphs? x = 2y^2 x = 8y^2