Party Palace has three rooms it rents for events. The cost for each is a flat fee plus a certain amount per guest. Each room has a maximum number of guests that cannot be exceeded.
Brenda planned to have a party at Party Palace. Her parents had said they would pay for Room B and 24 guests, the original number of guests Brenda had in mind. Brenda decided to invite 3 more guests and paid for the additional cost for Room C and the extra guests out of her own pocket. How much did Brenda pay?