Question

2. It is the first day of school. Your teacher suggests that it would be a
good idea for each child to meet every other student in the class, by
introducing themselves and shaking hands. If there are 20 students in
the class, how many total handshakes will happen?​

Answer 1

Answer:

380 handshakes

Step-by-step explanation:

Every person shakes hands with 19 people hence 20×19= 380

Hope this helps.