Answer:
B
Step-by-step explanation:
You have already asked this type of question. so now you know how to do this.
6 persons means he shook his hand with 5 people.
like wise add all handshakes
5+4+3+2+1= 15 handshakes
132'500
It is like doing tax, you just needed to multiply your number by 0.6
-3.85
-3 is a whole number, it comes before the decimal point.
17/20 is a fraction so it goes on the other side.