The monthly incomes of Aryan and Babban ...

The monthly incomes of Aryan and Babban are in the ratio 3 : 4 and their monthly expenditures are in the ratio 5 : 7. If each saves Rs. 15,000 per month, find their monthly incomes using matrix method. This problem reflects which value ?

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The monthly income of Aryan and Babban are in ratio 3:4 and their monthly expenditure are in ratio 5:7. If each saves 30,000 per month. Find their monthly income.

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