About 7/10 of the human body is water. How many pounds of water are in a person who weighs 120 pounds?

Answers

Answer 1

Answer: 7/10 = .70

120 * .70 = 84

84 pounds of blood in the body of an 120 pound person.

Answer 2

Answer:

Final answer:

The weight of water in a person's body can be determined by multiplying the total body weight by 0.7, since about 70% of the human body is water. So for a person weighing 120 pounds, 120 * 0.7 = 84 pounds of their weight is water.

Explanation:

To determine how much water is in a person's body who weighs 120 pounds, we will have to multiply the total weight of the person by the proportion of the human body that is water. We know that about 70% (or 7/10) of the human body is water. In mathematical terms, that can be done as follows:

Convert the percentage to a decimal by dividing by 100 or simply using the given fraction 7/10 which is equivalent to 0.7.
Multiply the weight of the person (120 pounds) by the decimal. So, 120 * 0.7 = 84 pounds.

Therefore, a person who weighs 120 pounds has approximately 84 pounds of water in their body.

Learn more about Body Water Content here:

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