13. The sum of three consecutive integers is 30 then the least number is
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Answered by
3
Let three consecutive integers be (a) ,(a + 1),(a + 2)
hence smallest number is 9.
Answered by
37
Given:
Sum of three consecutive integers = 30
________________________
To find:
The least number.
________________________
Solution:
- Let the first number be x.
- Let the second number be (x+1).
- Let the third number be (x+2).
Now we are given that sum of all the three numbers is 30.
So,
x + (x+1) + (x+2) = 30
________________________
Verification:
On substituting the value of x as 9 in the equation,
x + (x+1) + (x+2) = 30
LHS = RHS
Hence Verified!
________________________
The numbers are:
- First number = x
= 9
- Second number = x+1
= 9+1
= 10
- Third number = x+2
= 9+2
= 11
The least number is 9.
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