Three consecutive natural numbers have a sum of 30. What is the least number?

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Answer 1 · 2016-11-28T17:34:05

The least number is #9#.

Considering the numbers as #x#, #(x+1)#, and #(x+2)#, we can write an equation:

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

Open the brackets and simplify.

#x+x+1+x+2=30#

#3x+3=30#

Subtract #3# from each side.

#3x=27#

Divide both sides by #3#.

#x=9#