Milli Plans To Rent A Room For Her Birthday Party For 40 The Catering Charge Is 1

Milli plans to rent a room for her birthday party for $40. The catering charge is $12 per person but there is no charge for Milli’s meal since she is the guest of honor. If Milli has $100 to spend on her birthday party, what is the maximum number of friends Milli can invite?