the answer is 48. his rate per hour is 6 per hour.
Step-by-step explanation:
sam can make 15 pizzas in 2.5 hours. to find pizzas/hour, divide the pizzas (15) by the time spent (2.5). that will be 6. then multiply 6 by 8, and you get 48 pizzas per 8 hours (6 x 8= 48.)