Answer
See below
Work Step by Step
The daily per capita consumption of water can be calculated by the daily consumption of water per day divided by the total number of people.
$\frac{C}{P}=\frac{2.89x^2+61}{(0.0293x^2+1)(2460x+180000)}=\frac{2.89x^2+61}{72.078x^3+5274x^2+2460x+180000}$