Question

11. A mixture of 40 liters of salt and water contains 70%of salts. How
much water must be added to decrease the salt percentage to 40%?
A 30
B 25
C 40
D 45

Answer:

40lts

70% 0%
40%
40 30
4 3
so option A is correct​

Answer 1

Answer:

the correct option is a) 30

because 70 - 40 = 30