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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? |
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Answer» 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 |
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