Question

the monthly income of Supriya and dhruv aye on the ratio 5:4 and their monthly expenditures are in the ratio 7:4 . I'd each saves 3000 per month. find the monthly income of each question

Answer 1

5x plus 7y -- 3000 -- (1) & 4x plus 4y -- 3000 -- (2) on multiplying eq (1) by 4 & eq (2) by 5,, 20x plus 28y -- 12000 20x plus 20y -- 15000 , y