The price of a sweater was slashed from ₹ 960to ₹816 by a shopkeeper in the winter season. Find the rate of discount given by him.
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let the discount be x%
therefore
960 - x%of960 = 816
960 - x/100 ÷ 960 = 816
960 - x × 960/100 = 816
960 - x×9.6 = 816
960 = 816 + x×9.6
x×9.6 = 960-816
x×9.6 = 144
x = 144/9.6
x = 15
therefore,
rate of discount given by shopkeeper = 15%
therefore
960 - x%of960 = 816
960 - x/100 ÷ 960 = 816
960 - x × 960/100 = 816
960 - x×9.6 = 816
960 = 816 + x×9.6
x×9.6 = 960-816
x×9.6 = 144
x = 144/9.6
x = 15
therefore,
rate of discount given by shopkeeper = 15%
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