Question

the sum of three consecutive numbers is 543. What is the 2nd number?

Answer 1

Answer:

181

Step-by-step explanation:

Let the three numbers be x,x+1,x+2

So,

x+(x+1)+(x+2)=543

3x+3=543

3x=540

x=540/3= 180

So second number is 180+1=181

Answer 2

Answer:

181

Step-by-step explanation:

Let the three consecutive numbers be 'x-1, x, x+1'    

(∵consecutive numbers means the side by side numbers I.e; continuous no.’s)

Given that,

the sum of three consecutive numbers is 543

so,

(x-1)+x+(x+1) = 543

⇒3x+0 = 543

⇒3x=543

⇒x=181

∴ the three consecutive numbers are

    First number = x-1 = 181-1 = 180

     Second number = x =181

      Third number = x+1 = 181+1=182

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