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The strength of a number isincreased by 20 percent inOne year and decreased bytwenty percent in thenext year. Is the finalstrength greater or lessthan the original one andby how much percent? |
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Answer» Answer: Let the number be 100 % It is given that first the number is increased by 20 % Hence, 20 % of 100 % = (20/100) x (100/100) = 20/100 = 20 % So, increase in number = 100 % + 20 % = 120 % Also given that the number is DECREASED by 20 % Hence, 20 % of 120 % = (20/100) x (120/100) = 24/100 = 24 % So, decrease in number = 120 % - 24 % = 96 % which shows that the net decrease in percent of the original number is 96%. Hope it will HELP you. please mark as the brainliest Explanation: |
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