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There are 30 students in a class. The teacher will choose 2 students at random to represent the class at an assembly. How many groups of 2 students can be chosen?

There are 30 students in a class. The teacher will choose 2 students at random to represent the class at an assembly. How many groups of 2 students can be chosen?
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2 votes
There are 30 students in a class. The teacher will choose 2 students at random to represent the class at an assembly. How many groups of 2 students can be chosen?

User Julien CROUZET
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8.5k points

1 Answer

4 votes
30/2=15
15 groups of 2 can be chosen.

User Atzmon
by
8.0k points
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