1,000. 4,200 / 21 = 200. 5 * 200 = 1,000

Your answer to this is:

<h2>→ <u>EXPLANATION :-</u></h2>
<u />
<u />






Hopefully This Helps ! ~
#LearnWithBrainly

<em>Jaceysan ~</em>
Answer:
72 books will fit on the shelf
1/3 is in fact NOT larger than 4/5. 4/5 is larger than 1/3.