Ask a New Question

Question

On the first day of school everyone wants to shake hands. How many handshakes in all?
Hint: There are 30 kids
17 years ago

Answers

drwls
Each of the 30 students has 29 hands to shake.

30 x 29 / 2 = 435
Dividing by 2 avoids double counting.
17 years ago

Related Questions

1. What may you do after school? 2. I may visit my friend at the hospital. 3. I may go to th... For a lab in school we had to mix together sodium carbonate and calcium chloride and had that go thr... 6. School network LAN A school wants to have their 5 computers labs with Internet connection. Each... (1)When you are in school any subject seems a potential area for a good job.(2)But when you are out... The school is having a big event in the gym and wants to use their rectangular tables. 6 people can... in a school there are 15 more boys than girls. if the number of boys is increased by 20% and the num... 1. When school was over, we went home. 2. School being over, we went home. 3. School over, we went... "I LOVE SCHOOL, SCHOOL LOVES ME, WE'ER A HAPPY FAMILY. BUT WHEN THE BIG FAT TRUCK CAME BY TO GIVE SO... Ed went to law school because both of his parents are lawyers. He never put much thought into his ca... Ed went to law school because both of his parents are lawyers. He never put much thought into his...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use