Teaching activity
Data Starter: Airconditioning units
4th October 2024
Projected number of Airconditioning Units
Using this OurWorldinData chart, answer the following questions:
1. Calculate the percentage change in the total number of air conditioning units between 1990 and 2020. Give your answer to two decimal places.
2. How is China's share of total air conditioning units projected to change between 2020 and 2050? Show your working.
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