In the diagram the lines ef and gh are

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

For each proportion find the unknown number x 1/5/8=×/15

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 (%)