Mathematics, 05.03.2021 07:30, kataldaine
The U. S. Food and Drug Administration lists the following RDI's (reference daily
intakes) for the antioxidants vitamin C, vitamin E, and zinc.
Vitamin C: 60 mg, vitamin E: 30 mg, zinc: 15 mg
Remark on terminology: The Food and Drug Administration defines RDI as a
weighted average of the recommended daily allowances for all segments of the
U. S. population
Suppose that you have three brands of dietary supplements on your shelf. Among
other ingredients, all three contain the antioxidants mentioned above. The
amounts of these antioxidants in each supplement are indicated in the following
table.
Vitamin C Vitamin E Zinc
(mg./oz) (mg/oz.) (mg/oz.)
Supplement I: 6, 2, 0.5.
Supplement II:
2.5, 0.625, 1.25.
Supplement III:
10, 15, 2.5
How many ounces of each supplement should you combine to obtain the RDI's for
vitamin C, vitamin E, and zinc?
Answers: 1
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The U. S. Food and Drug Administration lists the following RDI's (reference daily
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