A company produces two types of handbags and sells a total of 500 handbags per day. Of the 500 bags sold per day, 30% are style A and 70% are style B. Suppose the company begins to sell additional style A bags every day BUT does not sell additional B bags. How many more style A bags does the company have to sell so that 50% of their handbag sales are style A bags. Explain your solution.