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in Mathematics by (40.7k points)

The ratio of incomes of two persons is 11 : 7 and the ratio of their expenditures is 9 : 5. If each of them manages to save Rs. 400 per month, find their monthly incomes.

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Let the incomes of two person be 11x and 7x

Also the expenditures of two persons be 9y and 5y.

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