Pizzapegasus1 Pizzapegasus1 27-06-2019 Mathematics contestada An amusement park charges a $20 admission fee and $3 for each ride. Which equation can be used to determine c, the total cost of a day at the amusement park, based on n, the number of rides? c = 3n + 20 n = 3c + 20 c = 20n + 3 n = 20c + 3