10-05-2017
Mathematics

contestada

The mean of six numbers is 41. If one number is removed, the mean of the five numbers is 46. Find the unknown number.

Respuesta :

mreijepatmat mreijepatmat

10-05-2017

Let n be the sum of all 6 numbers:

In the 1st case n/6 = 41 ==> n =246

in the 2nd case n'/5 = 46===> n' =230, the unknown number is n-n' =246-230

= 16

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