Answer :

To bill customers for water usage, one city converts the number of gallons used into units. This relationship is represented by the equation g = 748u, where g is the total number of gallons of water used and u is the number of units.

In this case-

g is the independent variable and u is the dependent variable.

What kind of variables fall into the independent and dependent categories?

The task's text implies that the business transforms the quantity of water consumed from gallons to units before billing clients.

Therefore, it follows from the aforementioned assertion and from the linear relationship denoted by the equation u = 748g that g is the independent variable and u is the dependent variable.

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