A prescription is issued for ibuprofen 10% cream. How much of this drug is required to make 30g of the cream?
3g
6g
600 mg
400 mg
3g
Rationale: To make 30g of ibuprofen 10% cream, you need 3g of ibuprofen. This is because the ibuprofen makes up 10% of the overall mixture. Therefore, 30g divided by 10 = 3g.
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