Kiara and Donovon attend different middle schools. They both went to their schools’ winter carnivals. Kiara paid a $5 entrance fee and bought several tickets costing $0.75 each for games and rides. Donovon paid a $7 entrance fee and bought several tickets costing $0.50 each for games and rides. How many tickets, x , must Kiara and Donovan each buy in order for the cost of attending their school carnivals to be the same?
A. 8 tickets
B. 10 tickets
C. 28 tickets
D. 48 tickets