tylerhorton tylerhorton

21-06-2017
Mathematics

contestada

The 5 positive integers a, a, a, b, and c have an average of a. What is the value of (b+c)/2?

Respuesta :

mathmate mathmate

24-06-2017

We are given that a+a+a+b+c=5a=a+a+a+a+a
subtract a+a+a from both sides, then
b+c=a+a
divide by two,
(b+c)/2=(a+a)/2=a

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