Asked by Anonymous

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