One cup of skim milk has approximately 80 kcal. one ounce of low-fat cheddar cheese has approximately 50 kcal. how many kilocalories would need to be consumed to get approximately 300 mg of calcium from each of these two sources individually?
a) skim milk-160 kcal; low-fat cheddar cheese-125 kcal
b) skim milk-80 kcal; low-fat cheddar cheese-375 kcal
c) skim milk-40 kcal; low-fat cheddar cheese-50 kcal
d) skim milk-80 kcal; low-fat cheddar cheese-125 kcal

The correct answer to the question: How many kilocalories would need to be consumed to get approximately 300 mg of calcium from each of these two sources individually? Would be, D: skim milk-80 kcal; low-fat cheddar cheese - 125kcal.

Explanation:

Milk, regardless of its fat content today, provides per cup a total of 300 mg of calcium to a daily diet. Since the question tells us that that same cup provides 80 kilocalories, and we know that one cup gives us all the 300 mg of calcium requested, then we know that the person will be consuming 80 kcalories just to get 300 mg of calcium from that source alone.

In the case of cheddar cheese, and other hard cheeses, an ounce provides around 200 mg of calcium. Therefore, when doing the numbers you would find that in order for the person to get 300 mg of calcium from cheddar cheese alone, then that person needs to consume around 2.5 ounces of this product, which would produce a total calorie intake of 125.

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