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?
Question
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?
Solution
To solve this problem, we need to multiply the total number of members in the colony by the number of greeting cards each member sends.
Step 1: Identify the total number of members in the colony, which is 55.
Step 2: Understand that each member sends a greeting card to every other member. This means each member sends out 54 cards (55 members - 1 (the sender)).
Step 3: Multiply the total number of members (55) by the number of cards each member sends (54).
55 * 54 = 2970
So, 2970 greeting cards were posted by the members of the colony.
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