You are given a compound which calls for combining 30 grams of 2.5% hydrocortisone cream with 15 grams of zinc oxide.

What is the ratio of the hydrocortisone cream to the total amount of the compound?

2 answers

total amount=45 grams
amount cortizone=.0025*30

ratio=amountcortizone/total
total amount=45 grams
amount cortizone=.025*30 CORRECTION

ratio=amountcortizone/total