Given:
The equation is:
[tex]4.2+c=8.1[/tex]
Where c is the number of liters of carbonated water used.
To find:
How many liters of carbonated water did Louie use?
Solution:
We have,
[tex]4.2+c=8.1[/tex]
We need to solve this equation for c to find the number of liters of carbonated water used by Louie.
Subtracting 4.2 from both sides, we get
[tex]4.2+c-4.2=8.1-4.2[/tex]
[tex]c=3.9[/tex]
Therefore, Louie used 3.9 liters of carbonated water.
