15-06-2016
Mathematics

contestada

104,137,154,131,x;mean=130

Respuesta :

Kunchan Kunchan

15-06-2016

(104+137+154+131+x) / 5 = 130
(104+137+154+131+x) = 650
526 + x = 650
x = 650 - 526
x = 124

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