Thank you @MyDogTasha for an excellent original proper math project. Go watch that first! This is just for laughs ;) How many handshakes are there? n*0
Original Instructions by @MyDogTasha: Green flag to start 8 people stand in a circle and shake hands with each other. How many handshakes are there? n*(n-2)/2 Remember - A person cannot shake their own hand so n people, in this case, 8 people will shake hands with n-1 people, in this case 7 people. Also, the two same people shaking hands is counted only once.
