Question
The price of an item is first raised by 50% and then
reduced by 40%. Find the overall percentage change in the price.Solution
ATQ,
Let the price be '100b'
Final price = 1.50 × 0.60 × 100b = '90b'
Required percentage decrease = [(100b - 90b) ÷ 100b] × 100 = 10%
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