Hello!
Answer:

Explanation:
→ Let x be the total value of the business.
→ If the woman owned 30% of the business, then the value of her share is
.
→ If she sold 40% of her share, then she sold

→ Now we have this equation:

→ Let's solve this equation:
◼ Divide both sides by 0.12:

◼ Simplify both sides:

Conclusion:
The total value of the business is $1,260,000.