Respuesta :

Brothers

1. 12

2. 16

3. 14

4. 8

5. ?

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mean of the ages of 5 brothers is 13 years

[tex]13\text{ = }\frac{12\text{ + 16 + 14 + 8 + x}}{5}[/tex]

[tex]13\cdot5\text{ = x + 50}[/tex]

[tex]65-50\text{ = x }[/tex][tex]\text{ x = 15 }[/tex]

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