Question

A person income increased bt 20 %and later decreased by 20%what will be the change in the person's income . solve fast i request

Answer 1

4% decrease in income
let total income be 100
20% increase means his income will be 120
then 20% decrease so 120×80/100 =96
so over all decrease 100-96=4
%decrease = 4/100×100 =4% decrease

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