SO2 Emission from a coal powered plant is 400 tons in 2010 and 288 tons in...
SO2 Emission from a coal powered plant is 400 tons in 2010 and 288 tons in 2017. How much % of average decrease per year?
Homework Answers
SO2 emission from coal power plant= 400 tons in the year 2010
Emission in 2017 is =288 tons
% of average decrease per year is --
Decrease in SO2 emission from 2010 to 2017 is = 400 - 288 = 112 tons.
Decrease in emission in 7 years = 112 tons.
In one year average decrease in SO2 emission = 112
7=16
% decrease in 7 years = 16 x 100 400 = 4 %
Average % decrease per year is 4%
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