Respuesta :
Answer:
15 pizzas
Step-by-step explanation:
- 3 pizzas=7 people
- 6 pizzas=14 people
- 9 pizzas=21 people
- 12 pizzas=28 people
- 15 pizzas=35 people
if 3 pizzas is enough for 7 people then 6 pizzas is enough for 14 people. so you would need 15 pizzas for 35 people