dominiclandry65 dominiclandry65
  • 25-02-2020
  • Mathematics
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The sum of 3 consecutive integers is 90. Find the largest integer if x is the smallest integer

Respuesta :

bayosanuade
bayosanuade bayosanuade
  • 25-02-2020

Answer: [tex]31[/tex]

Step-by-step explanation:

Consecutive integers are integers that follow each other in order.

Let the numbers be :

[tex]x, x+1 , x + 2[/tex]

Then , their sum implies

[tex]x + x + 1 + x + 2 = 90[/tex]

[tex]3x + 3 = 90[/tex]

subtract 3 from both sides

[tex]3x = 90 - 3[/tex]

[tex]3x = 87[/tex]

divide through by 3

[tex]x = 29[/tex]

Therefore : the numbers are

[tex]29 , 30 , 31[/tex]

That is , the largest number is [tex]31[/tex]

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