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charle [14.2K]
4 years ago
13

If 1 plus 4 = 5, 2+5 = 12, 3 plus 6=21 what does 5+8= ? I think 47

Mathematics
2 answers:
wolverine [178]4 years ago
6 0

Answer:

45 is correct

Step-by-step explanation:

klio [65]4 years ago
3 0
1 + 4 = 5, in this question, there is 1 "4", and 1 + 4 = 5

2 + 5 = 12, in this question, there are 2 "5", and 2 + 5 + 5  = 12

3 + 6 = 21, in this question, there are 3 "6", and 3 + 6 + 6 + 6 = 21

So for 5 + 8, there are 5 "8", so:

5 + 8 + 8 + 8 + 8 + 8 = 45

45 is your answer

hope this helps
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