Question

The ratio of incomes of two persons is 5: 3 and that of their expenditures is 9: 5. If they save Rs. 2000 and Rs. 1500 respectively, their expenditure are?

Answer 1

Answer:

let income of person be 5x and 3x

and expenses be 9yand 5y

5x-9y=2000

3x-5y=1500

multiplying 1by 3 and second by 5

15x-27=6000

15x-25y=7500

subtracting 1 by 2

2y =1500

y=750

ans= expenditure 6750and3750

Answer 2

Answer:

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