Respuesta :

DJN1K3

Answer:

8.5 & 4.5

Step-by-step explanation:

2 groups of 17 is 17 ÷ 2 because your dividing 17 people into 2 groups, same thing with 4 groups of 18.

So, 17 ÷ 2 = 8.5 & 18 ÷ 4 = 4.5

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