Question

A 72 L mixture contains milk and water in the ratio 7:5. How much more milk is to be added to the mixture so that the new ratio of milk and water becomes 9:59​

Answer 1

Answer:

A 72L mixture contains milk and water in the ratio 7:5. Let the amount of milk and water in the mixture be 7x and 5x respectively . => 42 litres .

Answer 2

12x = 72

x = 6

milk = 42

water = 30

let y ammount of milk be added

42+y/30 = 9/59

just solve above equation you will get answer