Math, asked by avanibhagat, 3 days ago

The ratio of incomes of two persons is 9:7 and the ratio of their expenditures is 3:4. if each which of them saves rs.200 per month, find the income of each​

Answers

Answered by bson
1

income ratio: 9:7 => 9x,7x

expenditure: 3:4 => 3y,4y

savings = income- expenses

9x-3y =200

7x-4y=200

9x-3y =7x-4y

2x= -y

9x+6x =200

15x =200

x = 13 ⅓

y = -26 ⅔

9x =120

7x = 93.33

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