The selling price of a speaker in a shop was reduced 30%during a chriatmas sale on account of new year the price was further reduced 30%what is the total discount percentage form the original price of the speaker?
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Step-by-step explanation:
Let the original price of the speaker be ₹100 .
So , price after Christmas sale discount
= ₹100 - ₹100 × 30/100 = ₹100 - ₹30 = ₹70
Now , price after New Year sale discount
= ₹70 - ₹70 × 30/100 = ₹70 - ₹21 = ₹49
∵ ₹49 = ₹100 - ₹51/100 , the single discount equivalent to two successive discounts of 30% and 30% is 51% .
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