Question
An article was purchased for Rs. (20n + 400). It was
labeled 30% higher than its cost and sold after applying a discount of Rs. (2n + 50). If the seller makes a profit of Rs. 950, what is the value of โnโ?Solution
ATQ,
Marked price = 1.3 ร (20n + 400) = Rs. (26n + 520)
Selling price = (26n + 520) - (2n + 50) = Rs. (24n + 470)
Profit = (24n + 470) - (20n + 400) = Rs. (4n + 70)
So, 4n + 70 = 950
Or, 4n = 880
Or, n = 220
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