Hello!
Answer:

Explanation:
→ We want to find 9 divided by what equals 5/9.
→ Let x be our number.
→ So we have this equation:

→ Let's solve this equation:
◼ Simplify the left side:

◼ Multiply both sides by 9x:

◼ Simplify both sides:


◼ Divide both sides by 5:

◼ Simplify both sides:

Conclusion:
The number is 81/5.