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ATQ, Let, the initial salary of the person be Rs. '100x'. Initial expenditure of the person = 0.80 X 100x = Rs. '80x' Initial savings of the person = 100x - 80x = Rs. '20x' New salary of the person = 1.10 X 100x = Rs. '110x' Savings of the person remains the same. So, 80x + 2000 = 110x - 20x Or, 90x - 80x = 2000 Or, 10x = 2000 So, x = 200 So, the initial salary of the person = 100x = 100 X 200 = Rs.20,000
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