Respuesta :
Answer:
180 hand shakes
Step-by-step explanation:
15 + 15 = 30
boys= 5x15 = 75
girls=7x15 = 105
75+105=180
180 handshakes in total
Answer:
180 hand shakes
Step-by-step explanation:
15 + 15 = 30
boys= 5x15 = 75
girls=7x15 = 105
75+105=180
180 handshakes in total