Question
A number is initially raised by
45%, and afterward reduced by 20%. Calculate the net percentage change (whether increase or decrease) in the original number.Solution
ATQ,
Let the number be '100n' Final number = 1.45 Ă— 0.8 Ă— 100n = '116n' So, required percentage = [(116n - 100n) Ă· 100n] Ă— 100 = 16% increase
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