Question

अ मिक्सचर ऑफ 40 लीटर एल्कोहल​

Answer 1

Answer:

In mixture of 40 litre water is 10% i.e. 4 litre.

Let x litre of water be added.

According to the question,

40+x/4+x = 20/100 = 1/5

20+5x=40+x

4x=20

x=5

Hope it help you my friend