Question

The amount of water in a persons body varries directly with the persons wwight. A person weighing 90 kg contains 60 litters of water. How many litters of water will a person weighing 50 kg contain​

Answer 1

Answer:

100/3

Step-by-step explanation:

W directly proportional to Amount of water in body

=> w= k*a. Where k is proportionality constant

=> ATQ

90= k*60.

=> k= 3/2

Therefore if w= 50

=> 50= 3/2 * a

=> a= 100/ 3 litres

Answer 2

Answer:

100/3kg

Step-by-step explanation:

let the quantity of water be X kg

now in direct variation a/b remain constant

so, 90/60= 50/X

on solving X= 50*60/90

= 100/3kg