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Biology, 26.02.2020 22:30 HighSchool97654
A pharmacist has two vitamin-supplement powders. The first powder is 10% vitamin B1 and 30% vitamin B2. The second is 15% vitamin B1 and 20% vitamin B2. How many milligrams of each powder should the pharmacist use to make a mixture that contains 80 mg of vitamin B1 and 200 mg of vitamin B2?
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A pharmacist has two vitamin-supplement powders. The first powder is 10% vitamin B1 and 30% vitamin...
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