Hindustan Unilever’s R&D is trying to make various formulations for making a new face wash. It is considering 5 ingredients, A, B, C, D and E which can be used in different proportions in the formulations. The cost per unit of the ingredients A, B, C, D and E are 250, 150, 120, 180, 40 respectively.
The table below is the composition of these ingredients.
If D and E are mixed in such proportion that the amount of salicylic acid is exactly 3% of the mixture, then the percentage of ceramides in this mixture is?