An 8 oz glass of grape juice contains 0.6 mg of iron. About what percent of RDA of iron for an 15 year old male is provided by 8 oz of grape juice?

Answer:
5.45%
Step-by-step explanation:
To find info of a 15 year old male, you look at the Age Group of 14 - 18, beside Male.
The RDA of Iron is given as 11 mg
From a 8 oz glass of grape juice, he gets 0.6 mg.
What percent is 0.6 mg of total 11 mg??
Divide 0.6 by 11 and then multiply by 100 to get the answer. So we have:
[tex]\frac{0.6}{11}=0.0545*100=5.45[/tex]
Thus, 5.45% of RDA of iron is provided by an 8 oz glass of grape juice.