The price (in rands) in June of a 1 kg packet of laundry in KwaDukuza is shown

is shown below for each 5 years.

Year: 2016 2017 2018 2019 2020

Price: 17.8 29.6 41.1 46.3 46.5

2.2.1 Find the percentage increase in the price of laundry detergent between each

period.

2.2.2 Use the 4 percentages in question 2.2.1 above, to calculate the overall geometric

mean percentage increase in the price of laundry detergent each year.

2.2.3 Interpret the geometric mean calculated in 2.2.2 above.