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The number of kilograms of water in a human body varies directly as the mass of the body. A 66 kg person contains 44 kg of water. How many kilograms of water are in a 144 kg person?

Answer :

Given:

A 66 kg person contains 44 kg of water.

To find:

The number of kilograms in a 144kg person.

Explanation:

According to the problem, 66 kg person contains 44 kg of water.

For 1 kg person contains,

[tex]\begin{gathered} 1kg\text{ of person}=\frac{44}{66}kg\text{ of water} \\ =\frac{2}{3}kg\text{ of water} \end{gathered}[/tex]

Then, for 144kg of a person contains,

[tex]\begin{gathered} 144kg\text{ of a person}=144\times\frac{2}{3}kg\text{ of water} \\ =96kg\text{ of water} \end{gathered}[/tex]

Therefore, 144kg per person contains 96 kg of water.

Final answer:

144kg per person contains 96 kg of water.

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Rewritten by : Barada