Answer:
16
Step-by-step explanation: becuase you have to round it think to urself is it closer to 15.9 or 16
Answer:
4.57 x 
Step-by-step explanation: use ma th way next time and use it to see the steps
Answer: 90 textbooks
Step-by-step explanation:
everytime you multiply the number of students you multiply the books by the same number. to find how many times 72 was multiplied you divide it by 12.
72 ÷ 12 = 6
then multiply the original number of books (15) by 6.
15 * 6 = 90
so for every 72 students the school orders 90 textbooks
Answer:
22 days
Step-by-step explanation:
55 divided by 2.5=22 days