Mathematics, 13.02.2020 21:24, 10040813

You need to prepare 50g of an ointment with 15% of zinc oxide. However, your pharmacy has no zinc oxide powder and the only thing you have is two lots of zinc oxide ointment containing, respectively, 50% and 5% of zinc oxide.
1. How many grams of the 50% ointment you need to prepare this formula?

Answers: 2

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You need to prepare 50g of an ointment with 15% of zinc oxide. However, your pharmacy has no zinc ox...