Posted by **Francine** on Sunday, September 25, 2011 at 9:51pm.

The number of kilograms of water in the human body varies dirctly as the mass of the body. An 84-kg person contains 64-kg of water. How many kg of water is in a 63-kg person?

- College Algebra 2 -
**Reiny**, Sunday, September 25, 2011 at 10:28pm
water = k(mass) , where k is a constant

given water = 64 kg when mass = 84 kg

64 = k(84)

k = 64/84 = 16/21

water = (16/21)(mass)

when mass = 63

water = (16/21)(63) = 48 kg

- College Algebra 2 -
**Stop**, Thursday, September 6, 2012 at 6:00pm
80.try doing it. It easy

- College Algebra 2 -
**Rox**, Thursday, November 5, 2015 at 7:35am
The number of kilograms W of water in a human varies directly to the mass of the body. A 96_kg person contains 64 kg of water. How many kilograms of water are in a 60_kg person?

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