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An aquifer receives [tex]40 m^3[/tex] of precipitation and loses [tex]10 m^3[/tex] of water through natural movement. How much water can be pumped from the aquifer to balance the budget?

A. [tex]10 m^3[/tex]
B. [tex]20 m^3[/tex]
C. [tex]30 m^3[/tex]
D. [tex]40 m^3[/tex]


Sagot :

To determine how much water can be pumped from the aquifer to balance the budget, follow these steps:

1. Identify the total amount of precipitation: The aquifer receives 40 cubic meters ([tex]$m^3$[/tex]) of water through precipitation.

2. Account for the natural water loss: The aquifer loses 10 cubic meters ([tex]$m^3$[/tex]) of water through natural movement.

3. Calculate the difference between precipitation and natural loss: To balance the water budget, you need to subtract the natural loss from the total precipitation. This gives:
[tex]\[ 40 \, m^3 - 10 \, m^3 = 30 \, m^3 \][/tex]

Therefore, the amount of water that can be pumped from the aquifer to balance the budget is [tex]\(30 m^3\)[/tex].

Hence, the correct answer is:
[tex]\[ 30 \, m^3 \][/tex]
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