Respuesta :
Answer:
Incorrect
Step-by-step explanation:
because it takes 30 min to bake 9 which is half an hour, and if if you multiply 9 by 4 which 30 mins each it would be 36 cupcakes in 2 hours.
about 36 cupcakes in two hours, johnny is incorrect because it would be 18 cupcakes per ONE hour.