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Debjani
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Debjani
Answers (1)
Let the number of t-shirts be x. Cost of each shirt = 77/x. No of t-shirt sold = x-2. Selling price of each t-shirt = 90/(x-2) By the problem, 90/(x-2) - 77/x = 2 or, (90x - 77x + 154)/x^2-2x = 2 or, 2x^2 - 17x - 154 = 0 or, 2x^2 - 28x + 11x -154 = 0 or,
