Maci made $300 grooming dogs one day with her mobile dog grooming business. She charges $60 per appointment and earned $60 in tips. Write an equation to represent this situation and solve the equation to determine how many appointments Maci had. Logan made a profit of $350 as a mobile groomer. He charged $55 per appointment and received $35 in tips, but also had to pay a rental fee for the truck of $10 per appointment. Write an equation to represent this situation and solve the equation to determine how many appointments Logan had.