The City Has A Revoir Of water for public use that currently has 125,000,000 gallons of water every week. How much water it will be left in the reservoir after a year?
What is the initial water volume in the reservoir?
Let me accept the current volume of the reservoir is
If there is no evaporation from the reservoir and there is no loss (e.g. infiltration into the ground), the final water will be:
Note that there are 52 weeks in a year
If you say the initial water volume stored in this reservoir is V, the final volume after a year will be