Question

A mixture contains milk and water in the ratio 5 : 1 of water good ratio of milk to water becomes 5 : 2 find the quantity of milk in the original mixture

Answer 1

Let the original mixture of milk be x.
=> 5+×/1+×=2/5. [By cross multiplication]
=> × = 8 liters

Answer 2

Let 5x and x be quantity of milk and water originally.

On adding 5L of water , Water becomes x +5

The new ratio is 5x/x+5 = 5/2

x= 5

So quantity of milk in original mixture = 5x = 25L