The price of a commodity increased by 20% in the first year, decreased by 30% in the second year and increased by 40%in the trd year. find the average increase for these three years.
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Average Increase would be 10%
(20%-30%+40%)÷3
30%÷3
10%
(20%-30%+40%)÷3
30%÷3
10%
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