Respuesta :
There were total 45 handshakes.
What is Multiplication ?
The factors are the numbers that are multiplied, and the result achieved after multiplying two or more numbers is known as the product of those numbers.
Multiplication is a technique for making repeated additions of the same number easier.
It is given in the question that
a band parent meeting each of the ten members shook hands with each other once.
handshakes were there in all = ?
If 10 people meet and shakes hand with each other.
First person will shakes hand with other 9,
second person has shaken hand with the 1st person and therefore he shakes hand with other 8,
the total no. of handshakes
= 9+8+7+6+5+4+3+2+1=45 shakes
Therefore there were total 45 handshakes.
To know more about Multiplication
https://brainly.com/question/14059007
#SPJ2