Han and Clare start out 1,000 ft apart and travel toward each other. Han is traveling at 20 ft per second, and Clare is traveling at 10 ft per second. How long will it take them to meet?

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 (%)