Question

The sum of three consecutive integers is 51.find the number

Answer 1

Let the nos be x,x+1,x+2

=>x+x+1+x+2=51

3x+3=51

3(x+1)=51

x+1=17

x=16

x+1=17

x+2=18

Answer 2

☆here is your answer~

let three consecutive integers are (a-d),a, (a+d).

a/q,

a-d+a+a-d=51

3a=51 (d will be cancelled. )

a=17.

and,

(a-d)×a×(a+d)=(a^2-d^2)a

=(17^2-d^2)17

=(289-d^2)17

d^2=289

d=17.

hence, numbers are (a-d) a (a+d)

=0,17,34.

hope you got it. it helps.

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