The average emissions of CO2 (in grams) per kilometer traveled by a passenger vehicle in Denmark for 2001 and 2019 is shown.
Average emissions of CO2
(in grams)
per kilometer by 1 vehicle.
Year
2001
174 5/12
2019
107 1/4
What is the difference in the average emissions of CO2, in grams, of 30 passenger vehicles in 2019 and 30 passenger vehicles in