Answer:
There are 30 nonfiction books.
Step-by-step explanation:
The answer is 30 because 7 plus 5 is 12 and 72 divided by 12 is 6 and 6 times 5 is 30.
P.S Can I have brainliest?
Answer:
4/8 = 20/x
20 x 8 = 160
160 ÷ 4 = 40
the student will attend 40 weeks of school
Answer: shrink by 10 years
Step-by-step explanation: