Answer:
50 Notebooks
Step-By-Step:
First write an equation
3/5x
The x represent the number of notebooks that can fit within the shelf.
So 3/5(50)=30
to find the answer of this we have to divide the total area by the area covered by each space
therefore
30 / 3/5
30* 5/3
150/3
50
Therefore 50 books will fit into the space