Final answer:
The equation in slope-intercept form representing how much money you make (in dollars) for selling x tickets is y = 0.75x + 50.
Step-by-step explanation:
The equation in slope-intercept form representing how much money you make (in dollars) for selling x tickets is:
y = 0.75x + 50
The equation is in the form y = mx + b, where m represents the slope (0.75) and b represents the y-intercept (50).
The slope of 0.75 means that for every ticket sold, you earn $0.75.
The y-intercept of 50 means that even without selling any tickets, you still make $50 for signing up.