Three consecutive integers have a sum of 78. what are the three integers?

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Mathematics

Guest

26 September, 13:46

Three consecutive integers have a sum of 78. what are the three integers?

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Answers (2)

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Brent · Answer 1

n = first number

(n+1) = second number

(n+2) = third number

n + n+1 + n+2 = 78

3n + 3 = 78

3n + 78 - 3

3n = 75

n = 75/3

n = 25 first number

25 + 1 = 26 second number

25 + 2 = 27 third number

Check:

25 + 26 + 27 = 78

Hugo Johnston · Answer 2

Hello:

let Three consecutive integers : n, n+1, n+2

n + n+1 + n+2 = 78

3n = 75

n = 75/3 = 25

the three integers are : 25, 26, 27