The minimum salary of a professional athlete can be approximated by the equation y=60x+275, where y is the amount of money in dollars and x is the number of years of experience. What does the y-intercept represent in this equation? Find the y-intercept. Find the minimum salary for an athlete with 5 years of experience (x=5), 10 years of experience (x=10), and 20 years of experience (x=20).