SOLUTION: A pharmacist needs to make a 1% hydrocortisone cream. How many grams of 2.5 % hydrocortisone cream should be added to 15 grams of cream base (0% hydrocortisone) to make a 1% cream

Question 939940: A pharmacist needs to make a 1% hydrocortisone cream. How many grams of 2.5 % hydrocortisone cream should be added to 15 grams of cream base (0% hydrocortisone) to make a 1% cream?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = grams of 2.5% cream needed
= grams of hydrocortisone in 2.5% cream
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10 grams of 2.5% cream are needed
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check:

OK

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