Question

Income of x and y is 4:3. Their expenditire is 12:7 .Both save 3200 .What is the income of x

Answer 1

Let 4:3 be 4x and 3x.

Salary of both = 4x+3x=7x

Let 12:7 be 12x and 7x.

Expenditure of both = 12x+7x = 19x

Savings = 3200

19x-7x=3200

x=800/3