Question

The ratio of incomes of two persons is 9:7 and the ratio of their expenditures

is 4:3. If each of them manages to save ` 2000 per month, find their monthly

incomes.

(ii) Solve the following simultaneous equations graphically.

x + y = 0 ; 2x – y = 9

(iii) The sum of father’s age and twice the age of his son is 70. If we double the




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Answer 1

Answer:

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Answer 2

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