1. The problem asks: How much money did he use to improve his business? 2. To solve this, we need more information such as how much money he initially had, how much he spent, or the details related to the business improvement. 3. Without additional data or context, we cannot determine the exact amount of money used for improving the business. 4. Please provide more details or the original question related to the money for improvement so I can help solve the problem effectively.