three successive discounts 10%,10%and 5% are equivalent to a single discount of?
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⇒ Let A = First discount = 10% and B = Second discount = 5%.
⇒ Equivalent Discount = (A+B)−(100A×B)
⇒ Equivalent Discount = (10+5)−(10010×5)=15−0.5=14.5%
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