joydemirjian joydemirjian

27-07-2017
Mathematics

contestada

The sum of 3 consecutive odd numbers is 51. What is the second number in this sequence?

Respuesta :

RickyChen RickyChen

27-07-2017

Assume the second number is x, then the other two are x - 2, x + 2

So x-2 + x + x + 2 = 51

-> 3x = 51

-> x = 17

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