Question

If the sum of three consecutive integer is 30, then the middle number is : ​

Answer 1

Answer:

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Answer 2

Answer:

10.

Step-by-step explanation:

let the number be x, then

x+(x+1)+(x+2)= 30

x+ x+x+1+2= 30

3x+3=30

3(x+1)=30

x+1=30/3

x+1= 10

x= 10-1

x= 9

middle number is x+1 = 9+1 =10