The Stock Market Nadia is a stockbroker. She earns 14% commission each week. Last week, 6,800 worth of stocks. How much did
she make last week in commission? If she averages that same amount each week, how much did she make in commission in 2011?

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)