Question

solve the problem and earn points​

Answer 1

$\huge\pink{\boxed{\blue{\boxed{ \purple{ \boxed{{\pink{Answer}}}}}}}} \\ \large\pink{\boxed{\blue{\boxed{ \purple{ \boxed{{\pink{Your~answer↓}}}}}}}}$

Average age of 5 boys is 12 years

Age of 4 children are 6, 11, 12, 16

Let the age of 5th child be 'x' years.

$\large\bold\red{Using \: the \: formula \: of \: average }$

$\small\bold\red{average \: = \frac{sum \: of \: observations}{number \: of \: observation} }$

$\frac{6 + 11 + 12 + 16 + x}{5} = 12 \\ 45 + x = 60 \\ x = 15$

So age of 5th children is 15 years.

$\huge \fcolorbox{black}{cyan}{♛hope \: it \: helps \: you♛}$

Answer 2

$\frac{6 + 11 + 12 + 16 + x}{5} = 12$

$45 + x = 60$

$x + 15$