1. Corey’s pay increases from £12.36 per hour to £14.11 per hour. Find the percentage
increase to 1 decimal place.

2. Dele invests $6000 for 4 years at 3% per annum compound interest. Calculate the value of his investment at the end of 4 years.

3. The value of a car depreciates by 14% per annum. At the end of 2017 the car is worth $17500. How much is it worth at the end of 2020?