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A shopkeeper gives 1 chocolate for every 19 chocolates sold. If he plans to give a summer discount of 20%, how many extra chocolates does he need to sell in a sale of 40 chocolates?1). 22). 43). 84). 10 |
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Answer» The shopkeeper gives a 20 chocolates at the COST of 19 i.e. he gives a discount of (1/20) × 100 = 5%. Now he want to give a summer discount of 20% on 40 chocolates. Let he gives X chocolates as a discount 20 = (x/40) × 100 ⇒ x = 8 So, he needs to sell 8 EXTRA chocolates in order to give a discount of 20% on 40 chocolates. |
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