Question

4. The number of kilograms of water in a person's body varies directly with the
person's mass. A person with a mass of 90 kg contains 60 kg of water. How many
kilograms of water will be there in a person with a mass of 50 kg?

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Answer 1

Answer:

Let the no of water kilgrams in person with mass 50 kg be x.

Ratio of   mass of a person with water capacity of person = 90kg ; 60kg = 3:2

mass of a person = 50 kg

to find Kilograms of water

50 kg/ x  =3/2

1/x = 3/100

x = 100/3 = 33.33333333 kg.

hope it helps

Step-by-step explanation: