Write an expression for the following statement(s), and then list each operation
present (make sure you define any variables used).
a record company earns 25% of what a band collects in total sales. that
percentage is deducted from the band’s total sale

Let's assign variables for the unknowns. Let x be the amount of total sales while x is the amount of net sales. It is called net sales because a percentage is still deducted from it. The equation will be written as:

Net Sale = Total Sales - 0.25*Total Sales
y = x - 0.25x
y = 0.75x