Someone please help me I have 10 minutes to submit it!!​

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?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

Someone me! if you’re smart you can solve this!