The problem
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The number of kilograms of water in a human body varies directly as the
mass of the body. A 96-kg person contains 64 kg of water. How many kilo
grams of water are in a 60-kg person
Answer provided by our tutors
Let 'x' represent the kilograms of water in a 60 kg person.
Since the number of kilograms of water in a human body varies directly as the mass of the body we have:
x/60 = 64/96
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click here to see the solution for x
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x = 40 kg
There are 40 kg of water in a 60 kg person.