Biology, 13.07.2020 17:01 mmaglaya1

Calculate the percentage decrease in the number of deaths due to measles worldwide from 1990 to 2011 use the formula: 2011 no. Of deaths - 1990 no. Of deaths Then divide your answer by 1990 number of deaths The percentage was 83%, what I don't seem to understand is how that is the answer

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Calculate the percentage decrease in the number of deaths due to measles worldwide from 1990 to 2011...