Respuesta :
Answer:
81
Step-by-step explanation:
9girls x 9 boys to play each other
81 games. One girl plays a game with each boy so one girl (1) x nine boys (9)=9. Likewise, one boy (1) x nine girls (9)=9. This sequence can be done with every boy and girl. So nine games for one girl equals 9, since there’s nine girls 9x9=81