How much of a 0.5% ointment must be mixed with a 3% ointment to prepare 30 grams of a 1.25% ointment?
A) 23 gm
B) 22 gm
C) 21 gm
D) 17.5 gm
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Question
How much of a 0.5% ointment must be mixed with a 3% ointment to prepare 30 grams of a 1.25% ointment?
A) 23 gm B) 22 gm C) 21 gm D) 17.5 gm
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