Answer:
<h2>x = 5</h2>
Step-by-step explanation:

Answer:
C
Step-by-step explanation:
Answer: 1,000
Step-by-step explanation:
The height of 10 stacks of books would be a 1,000 because if it's 0.3 thick between covers of 200 sheets then 10 books would be a 1,000.