Question

Daily earning of two persons are in the ratio of 5;6 and in their daily expenses are in the ratio of 7;9.if each saves rs.60/day their daily income in rs

Answer 1

Let the income of first person be 5x and that of second person be 6x
And
Let the expenses of first person be 7y and that of second person be 9y

Equation for the first person = 5x-7y=60
And
Equation for the second person = 6x-9y=60

Solve these two equation with elimination method you will get the value of x then put it in 5x &6x


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