the factors of 100 are: 1, 2, 4, 5, 10, 20, 25, 50, and 100
11,220,000,000 is the answer for this question.
Put in a equality
20 > (70/x)
then you solve
20x > 70
x>70/20
x> 3.5 you can not put part of a chair in a row so you round up
****You can put 4 or more chairs in a row****
Answer:

Step-by-step explanation:
The formula of an area of a elipse:

We have:

Substitute:

the correct answer is -448