Questions by Ntg

Questions by Ntg

Given a group of 17 people in a party, we consider the number of times a person shakes hand with someone else. Show that there is always two people who shake hands with the same total number of people.

asked Oct 23, 2020

1 answer

2 votes

99.9k views

Solve please: 1/5 (25-5a) = 4-a

asked Aug 26, 2020

2 answers

1 vote

30.3k views

There are approximately 3.6 million deaths per year in country A. Express this quantity as deaths per minute.

asked Apr 26, 2020

1 answer

2 votes

20.4k views

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