Question

14.
Approximately 97. 3% water on the earth is not fit for drinking. Find :
(1) the percentage of water on the earth that is fit for drinking.
(i) the total volume of water available in a certain part of the earth where there is
21,600 m3 of drinking water
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Answer 1

1 32.9% water is fit for drinking

total water available will also be 21600m3

${?}^{?}$

Answer 2

2.7 water is fit for drinking