37.6k views
5 votes
In a colony, there are 55 members. Every member posts a greeting card to all the

members. How many greeting cards were posted by them?


1 Answer

4 votes

Answer:

55*54

=2970

Explanation:

User Teich
by
8.1k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.