In every 2/3 cup of water in a recipe, 1/4 tablespoon of salt is required. How about 1 cup of water?
Using ratio and proportion, we can get how much salt is need for 1 cup
2/3 : 1/4 = 1 : X
2/3 x = 1/4
3x = 8
x = 8/3
So, in a cup of water, we need 8/3 tablespoons of salt.