
Concept explainers
The time after which the town will require a new landfill.

Answer to Problem 2.1P
The time after which town will require a new landfill is
Explanation of Solution
Given:
The population is
The industrial waste produced is
The estimated life of landfill is
Concept used:
Write the expression to calculate the amount of waste generated by the residents per day.
Here, waste generated per capita per day is
Write the expression to calculate the capacity of landfill.
Here, the capacity of landfill is
Write the expression for total waste generated per day.
Here, the total waste generated per day is
Write the expression for life of landfill.
Calculations:
Assume the waste generation rate per-capita is
Calculate the amount of waste generated by the resident per day.
Substitute
Calculate the capacity of landfill.
Substitute
Calculate the total waste generated per day.
Substitute
Calculate the life of the landfill.
Substitute
Conclusion:
Thus, the time after which town will require a new landfill is
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