Answer :
Final answer:
Isabella's RDA for protein is approximately 57 grams based on her body weight.
Explanation:
The RDA for protein is determined by the Recommended Dietary Allowance (RDA) guidelines. For the general population, the RDA for protein is 0.8 grams per kilogram of body weight. To convert pounds to kilograms, divide the weight in pounds by 2.2. In Isabella's case, her weight of 156 pounds is approximately 70.91 kilograms (156 / 2.2). To calculate her RDA for protein, we would multiply her weight in kilograms by the RDA for protein.
So, Isabella's RDA for protein is approximately 0.8 * 70.91 = 56.73 grams. Therefore, the closest option to her RDA for protein is 57 grams (Option 3).
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