Answer:
Explained below
Explanation:
We know (hopefully) that 100 centimeters is equal to 1 meter.
The expression should essentially be 400/50.
400/50 = 8
Victor would need 8 books to make a tower with the height of 4 meters.
By the way 50 centimeters per book is a pretty hefty book, would be as thick as my hand pointing upwards.