2 years ago

HELPPP FIRST ANSWER THAT IS ACCURATE WITH EXPLANATION GETS BRAINLIST 5 STARS AND THANKS ( DONT PLAGIARIZE )

Mathematics

2 answers:

Marta_Voda [28]2 years ago

8 0

Answer:

20 x 19 = 380 hands touched

380/2 = 190 handshakes

Step-by-step explanation:

Svetach [21]2 years ago

8 0

Answer: 190 handshakes

Step-by-step explanation:

The first will shake 19 hands, the second 18 hands and so on......the 19 th will shake one hand

so 19+18+17+.....+1=19*20/2=19*10=190 handshakes

It is ok now?

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