Income and expenditure problem

Question

The ratio of income of Anun and Hanun is 7 and 9. While the saving ratio of both is $4000$ and $6000$. If the expenditure of A is 83.3% of B then what is the total income of both. Here i am try by different method ,first I take $x$ is the income and y is the expenditure but i am stuck on last because i have one equation and there are two variables. please guide me ,

Answer 1

I assume you mean that

The incomes are respectively $7N$ and $9N$

The savings are $4000$ and $6000$.

Then $(7N-4000):(9N-6000)=5:6$.

The solution is then $N=2000$ and the total income is $32000$ units.