ratio of income of 2 person 9 ratio 7 and the ratio of Expenditure is 4 ratio 3 if each of them safe 200 each find monthly income
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let the income of each person be 9x and 7x
and let their respective expenditure be 4y and 4y
case (1):- 9x-4y= 200
case (2):- 7x-3y=200
solve these to find x and hence their monthly income
and let their respective expenditure be 4y and 4y
case (1):- 9x-4y= 200
case (2):- 7x-3y=200
solve these to find x and hence their monthly income
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