Answer in Molecular Physics | Thermodynamics for Harshita #158202
February 20th, 2023
The author’s home (4 people) used 4 m ^3 of water over a 9 day period . What does this equate to in Litres per person per day?
Since 4 people used 4 m^3 of water over a 9 day period, then the amount of water used by 4 people per day is:
“dfrac{4m^3}{9space day} = dfrac{4}{9}dfrac{m^3}{day}”
The amount of water used by one person per day is:
“dfrac{4}{9}dfrac{m^3}{day} /4space person = dfrac{1}{9}dfrac{m^3}{daycdot person}”
1 m^3 is 1000 litres, thus:
“dfrac{1}{9}dfrac{m^3}{daycdot person} = dfrac{1000}{9}dfrac{litres}{daycdot person} approx 111.11dfrac{litres}{daycdot person}”
Answer. “111.11dfrac{litres}{daycdot person}”.