The original ticket price for a play is $50 per person. On Monday afternoons, the theater reduces the ticket price to $35 per person. This means there is a discount of:



Therefore, the discount for a regular ticket to a Monday afternoon performance is $15 per person.
Now, students receive an additional $5 discount on all tickets. This means the total discount for a student ticket to a Monday afternoon performance is:



To calculate the percentage discount for a student ticket, we need to divide the total discount by the original ticket price and then multiply by 100:



Therefore, the percentage discount for a student ticket to a Monday afternoon performance is 40%.