Clicking "add to cart" button will open PayPal payment option in new window or tab. You can add multiple tickets to paypal cart by selecting different type of ticket and repeatedly clicking add to cart button. You can also edit quantity of each item in paypal page.
You can process multiple type of tickets in one paypal payment.
Ticket Type:

Gate Price: General Seating $30, Dinner $15, Babysitting $15
Please take a printout and bring it to venue once payment is successfully processed.