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Elden [556K]
3 years ago
12

A science teacher needs to choose 4 students from a class of 20 to go to the library to do some research. How many different gro

ups can he select?
Mathematics
1 answer:
Marysya12 [62]3 years ago
8 0
20\4=5
Since there are 20 people and we want grps of 4
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