contestada

The average age of six boys is 12 years
average age of 4 boys is
18 years
find the average age
of all ten boys​

Respuesta :

sqdancefan

Answer:

  14.4

Step-by-step explanation:

The total of their ages is effectively ...

  12 +12 +12 +12 +12 +12 +18 +18 +18 +18 = 144

So, the average age of the 10 boys is that sum divided by the number of boys, 10.

  144/10 = 14.4

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