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Im struggling with a maths question

Prove that the sum of three consecutive numbers is always a multiple of 3.

How can you algebraically represent 3 consecutive numbers? I’ll give you a tip and say that the first of the 3 consecutive numbers can be listed as ‘n’.

Reply 2

username4191164

let n be the a number.n 1 is the next number after that.n 2 is the next number after that.They are consecutivethe sum of three consecutive numbers=n n 1 n 2=3n 3factorsied= 3(n 1)any number times by 3 is a multiple of three!Your welcome :wink:

Reply 3

WhatIsLife1

Original post by hasnat614

Please don’t provide full solutions. Try and guide them so that they can figure out the answer largely by themselves. By providing the full solution, they don’t learn.

Reply 4

username4191164

Original post by WhatIsLife1

Please don’t provide full solutions. Try and guide them so that they can figure out the answer largely by themselves. By providing the full solution, they don’t learn.