The sum of three consecutive intergers is 189 what are the integers

Mathematics

1 answer:

lesya [120]1 year ago

7 0

Answer:

62, 63, 64

Step-by-step explanation:

The middle integer of three consecutive integers will be the average of them. That is, it will be their sum, divided by 3.

The middle integer is 189/3 = 63.

The three consecutive integers are 62, 63, 64.

_____

Additional comment

If you'd like to write an equation that tells you the same thing, let x represent the middle integer. Then the lower one is x-1, and the upper one is x+1. Their sum is ...

(x-1) +x +(x+1) = 189

3x = 189 . . . . . . . . . . . . simplify

x = 189/3 = 63 . . . . . . . divide by the coefficient of x

(x-1) = 63-1 = 62 . . . . . . find the other two integers

(x+1) = 63+1 = 64

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