The equation models the rate of pay a person receives each week 25% commission on sales. y=0.25x+75 what does the variable x represent? what does the variable y represent? what does the y-intercept represent in the context of the situation?

What does the variable x represent? 
 For this case, the variable x represents the amount in $ of the total sales made by the person.

 What does the variable and represent?
 The variable y represents the total payment that the person receives weekly, which is given by:
 75 $ fixed plus 25% commission for sales.

 What does the y-intercept represent in the context of the situation?
 The intersection with the y axis is:
 $ 75
 Represents the fixed salary that the person earns weekly