Question
An original figure is first enhanced by 25% and then
reduced by 10%. What is the final overall percentage change?Solution
ATQ,
Let the original figure be 100b
Final figure = 1.25 × 0.90 × 100b = 112.5b
Overall percentage change = [(112.5b - 100b) ÷ 100b] × 100 = 12.5% increase
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