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Mars2501 [29]
3 years ago
7

You need to find three numbers that come in quick succession in the order of numbers (ex. 1, 2 and 3) and which

Mathematics
1 answer:
eimsori [14]3 years ago
4 0

Answer:

set middle number=x

then left side number=x-1

and right side number=x+1

(x-1)+x+(x+1)=30

3x=30

x=10

x-1=9

x+1=11

numbers are 9,10,11

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