Answer:
20.5
Step-by-step explanation:
(20+21)/2 = 20.5
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Answer:
N=5
First you would subtract 10 from both sides after that you would have 8n=40 then 8x5=40 so there
All of the box numbers are decide by the bottom numbers. Ex: 3+4=7, the top box is seven above 3 and 4. So you would add 16 and 17 which is 33. The answer is 33.
This may be 3 or it also may be 3