<span>The book has sold 442,696 copies to date.
This was calculated by making a proportion: 8.9 : 39,400 = 100 : X where X Is the number of copies sold.
Then I calculated 39,400*100/8.9 to obtain the answer</span>
I can't understand your question do you have any number there?
Answer:
X=2
Step-by-step explanation:
When x is 2, y=3 for both equations