Adric has a rope 9 yards long. he cuts off seven pieces of rope each measuring 0.75 yard he places the seven pieces of rope in a basket then he cuts the remaining rope into shorter links of 0.38 yard how many rope pieces of link 0.38 yard are cut

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 (%)