Question

Rahul spends 30% of his salary on house rent 25% on the education of his children and 40% on food items. find his salary if he saves Rs. 1470 per month?

Answer 1

30/100×x+40/100×x+25/100×x+1470=x
30x/100+40x/100+25x/100+1470=x
95x/100+1470=x
=95x+1470=100x
1470=5x
1470/5=x
294=x