A pharmacist needs to fill an order for a 3% lidocaine topical cream. However, only 2% and 4% concentrations are in Stock. How much of the 4% concentration should be mixed with 30 g of the 2% concentration to get a 3% concentration?
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Home » Mathematics » A pharmacist needs to fill an order for a 3% lidocaine topical cream. However, only 2% and 4% concentrations are in Stock. How much of the 4% concentration should be mixed with 30 g of the 2% concentration to get a 3% concentration?