A mixture contains milk and water in the ratio of 5 ∶ 3. If 10 litres of milk is added to the mixture, the ratio becomes 7 ∶ 3. How many litres of milk is in the mixture initially?
1
20 litres
2
25 litres
3
15 litres
4
45 litres
A mixture contains milk and water in the ratio of 5 ∶ 3. If 10 litres of milk is added to the mixture, the ratio becomes 7 ∶ 3. How many litres of milk is in the mixture initially?