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Margaret weighs 130 pounds and is at a healthy body weight for her height. Approximately what portion of her weight is composed of water?

A. 26 pounds
B. 52 pounds
C. 78 pounds
D. 104 pounds
E. 117 pounds

Answer :

C. 78 pounds, Approximately 50-60% of a person's body weight is composed of water. For Margaret, who weighs 130 pounds, this calculates to around 65 to 78 pounds. Thus, the most accurate answer is 78 pounds.


A person's body is approximately 50-60% water. To find the portion of Margaret's weight that is composed of water, we can calculate:


50% of 130 pounds = 0.50 * 130 = 65 pounds

60% of 130 pounds = 0.60 * 130 = 78 pounds

This means approximately 65 to 78 pounds of Margaret's weight is water.

Therefore, the closest answer choice is C. 78 pounds.

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