Answer:
full i.e. 77% is full.
Explanation:
It is given that the there are total 9 cards in 3 × 3 array.
Also,
First page is
full i.e. out of 9 cards, there are total 4 cards on this page.
Second page is
i.e.
full i.e. out of 9 cards, there are total 3 cards on this page.
Now, it is given that Daniel put all the cards on one page.
i.e. This new page is
+
=
full.
i.e. Out of 9 cards, there are 7 cards on this new page.
So, this page is
full i.e. 0.77 area is full i.e. 77% is full.