How many Christmas cards?

There are 12 people in a room, and they all give one another Christmas cards. How many Christmas cards are given out?

related to an answer for: What is the formula for the number of lines made with n points?
in Word Problem Answers by Top Rated User (1.2m points)

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

How many Christmas cards?
There are 12 people in a room, and they all give one another Christmas cards. How many Christmas cards are given out?

With 12 people in the room, each one would have to give 11 others a card.

12 * 11 cards = 132 cards
by Level 11 User (78.4k points)
Yes, that's right! I'm back!
by Top Rated User (1.2m points)

Related questions

Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,330 answers
2,420 comments
759,804 users