How much water should be added?

Question

Two liters of 10% acidic solution is to be reduced to 3% by adding water. How much water should be added?

Answer 1

2 liters at 10% hav 0.2 liters av asid

now yu want 3% avx=0.2 liters

so x=0.2/0.03

x=6.66666666...

or 6.7 liters

so yu need tu add 4.7 liters av water