the krazy karnival amusement park charges a 30 entrance fee, plus a charge of 3 per ride ticket. the happy fun time amusement park charges a 35 entrance fee, plus 2 per ride ticket. for what numbers of tickets is the total cost of the entrance fee and ride tickets the same for both parks?
a.1 ticket 
b. 5 tickets 
c. 45 tickets 
d. 55 tickets