05-02-2021
Mathematics

contestada

The sum of three consecutive numbers is 405. What is the
3rd numbers

Respuesta :

Hrishii Hrishii

05-02-2021

Answer:

136

Step-by-step explanation:

Let the three consecutive numbers be a, a + 1, a + 2

Therefore,

a + a + 1 + a + 2 = 405

3a + 3 = 405

3a = 405 - 3

3a = 402

a = 402/3

a = 134

Third number = a + 2 = 134 + 2 = 136

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