the price of an article is first increased by 30% then decreased by 30% find net increase or decrease
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Answer:
16%
Step-by-step explanation:
Let the original cost = ₹100
Increase by 20%
∴ New cost = 100 + 20 = ₹120
Decreased by 30% = (120 × 30)/100 = ₹36
∴ New cost = 120 – 36 = ₹ 84
Overall change = 100 – 84 = ₹16
Required percentage = 16/100 × 100 = 16% decrease
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