A town with a population of 50,000 has a water supply of 135 LPCD. Find the average daily demand:
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To convert quickly to MLD without writing down all the zeros:
\[
Q = \left(\frac{\text{Population in Thousands}}{1000}\right) \times \text{LPCD} \times 10^{-3}
\]
\[
Q = 50 \times 135 \times 10^{-3} = 6.75 \text{ MLD}
\]