How much of each of the following ingredients should be weig

How much of each of the following ingredients should be weighed out in order to compound exactly 2 oz. of the following prescription? (record your answers to two decimal places)

Menthol       0.1 parts = ___ grams
Camphor      0.2 parts = ___grams
Zn Stearate 0.8 parts = ___grams
Zn Oxide        8 parts = ___grams
Talc             31 parts = ____grams
M.ft. dusting pulv, 2 oz.

Solution

Adding all proportions 0.1, 0.2,....

Total =40.1 = 2 oz.=2(28.3495 gm) = 56.6990

Hence a part = 1.4139401

Menthol = 0.14139401

Camphor = 0.28278802

Zn stearate =1.13115211

Zn oxide = 11.3115211

Talc = 45.246083