Question

From 200 litres of 80% concentrated milk, 30 litres is taken out and water is added. The new concentration of milk in the mixture is

Answer 1

160 milk 40 water 30 liters commonly taken from both and water is added+30

Answer 2

Hmm.... Not really.
Consider 30L of the mixture:
Milk = 30 * 80% = ?
Water = ?

Answer 3

24

Answer 4

6 water 24 milk

Answer 5

Errrr, sorry. I should have asked you in this way:

We take out 30L of the mixture. so we have 200 - 30 = 170L of mixture.
In this 170L of mixture, how many milk and water do we have?

Answer 6

136 litre milk and 34 water

Answer 7

Now we add 30L of water. How much water and milk do we have?

Answer 8

136 and 64 so 17: 8

Answer 9

Done :)