Problem $1-20$ pts Determine the peak sewage flow for a town $(5000$ people$)$ having an area of $3000ha.$ The residential area is $50\%$ of the total area, whereas commercial and industrial areas are $30\%$ and $20\%$ of the total area, respectively. The wastewater from the residential area is estimated to be $800\frac{L}{?}$ per capita$/$day$.$ The sewage from commercial and industrial areas is estimated to be $20000\frac{L}{h}\frac{a}{d}$ and $30000\frac{L}{h}\frac{a}{d},$ respectively.