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you are in a room with other students and are asked to get in groups of 3. when finished, there are 21 groups of 3. how many students are in the room?
5 years ago

Answers

Anonymous
21 groups and 3 in each group...
21 x 3
5 years ago
PsyDAG
Agree, but online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.
5 years ago

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