In a landscape plan, a rectangular flowerbed is designed to be 4 meters longer that it is wide. if 60 square meters are needed for plants in the bed, what should the dimensions of the rectangular bed be?

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 (%)