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Elden [556K]
3 years ago
10

There are 21 groups of 3 in a room. How many people are there. I need an equation

Mathematics
2 answers:
saul85 [17]3 years ago
8 0
Y=3(x)
Where x represent the number of groups

Y=3(21)
Y=63

There will be 63 people in one room
Mars2501 [29]3 years ago
4 0
Y = 3(21)

21 would be x
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