skkhoury skkhoury

17-09-2021
Mathematics

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If the third of 7 consecutive numbers is 12,what is their sum?

Respuesta :

reinhard10158 reinhard10158

17-09-2021

Step-by-step explanation:

the third of 7 consecutive numbers is 12.

so, this looks like

..., ..., 12, ..., ..., ..., ...

that means the numbers have to be

10, 11, 12, 13, 14, 15, 16

the sum is then

16+10 + 15+11 + 14+12 + 13 = 3×26 + 13 = 91

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