The Average of 3 consecutive numbers is 9. Find the middle number of the three numbers.
Answers
Answered by
0
Answer:
9
Step-by-step explanation:
the three numbers are 8,9,10.
We know the average is 9 by adding 8+9+10=27divided by 3
Answered by
0
Answer:
Let the 3 consecutive no be x, x+1, x+2
According to question
=》 (x+x+1+x+2)/3 =9
=》 3x+3=27
=》3x=24
=》x=8
hence the no are
1st 8
2nd 9
3rd 10
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