Problema Solution
A pharmacist has 40 g of a topical cream that contains 65% glycerine. How many grams of the cream are not glycerine?
Answer provided by our tutors
If 65% f glycerin the rest 100 - 65 = 35% is not glycerine.
0.35*40 = 14.00
14 grams of the cream is glycerine.
What is left is |0.10*54| = 10*|0.10*54|= 1.0*54 = 54 grams is not a glycerin.