Question

The ratio of income of a to b is 7:5 and the expenditure of a to the b is 3:2 .If at the end of year each save 500 find income of a

Answer 1

Ans:

step by step procedure

Let,

The incomes A and B are 7x and 5x

The expenditure are 3y and 2y

Their savings are 500 and 500

7x = 3y + 500 ...... x2

5x = 2y + 500 ........x3

14x - 6y = 1000

15x - 6y = 1500 (subtract)

- x = -500

x= 500

There fore the income of A is

7(500)=rupees 3500

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