Question

baichung's father is 26 years younger than his grandfather and 29 years older to baichung. the sum of the ages of all three is 135 years.what is the age of each one of them?​

Answer 1

Given :

Baichung 's father is 26 years younger than Baichung's grandfather and 29 year older than Baichung .

The sum of the age of all the three is 135 years.

Solution :

$\longmapsto\tt{Let\:Age\:of\:Grandfather\:be=x}$

As Given that Baichung 's father is 26 years younger than Baichung's grandfather and 29 year older than Baichung .So ,

$\longmapsto\tt{Age\:of\:Baichung's\:Father=x-26}$

$\longmapsto\tt{Age\:of\:Baichung=x-26-29=x-55}$

A.T.Q :

$\longmapsto\tt{x+x-26+x-55=135}$

$\longmapsto\tt{3x-81=135}$

$\longmapsto\tt{3x=135+81}$

$\longmapsto\tt{3x=216}$

$\longmapsto\tt{x=\cancel\dfrac{216}{3}}$

$\longmapsto\tt\bf{x=72}$

Value of x is 72 .

Therefore :

$\longmapsto\tt{Age\:of\:his\:Grandfather=x}$

$\longmapsto\tt\bf{72\:yrs}$

$\longmapsto\tt{Age\:of\:his\:Father=72-26}$

$\longmapsto\tt\bf{46\:yrs}$

$\longmapsto\tt{Age\:of\:Baichung=72-55}$

$\longmapsto\tt\bf{17\:yrs}$

Answer 2

Answer:

Given :

Baichung 's father is 26 years younger than Baichung's grandfather and 29 year older than Baichung .

The sum of the age of all the three is 135 years.

Solution :

$\longmapsto\tt{Let\:Age\:of\:Grandfather\:be=x}$

⟼Let Age of Grandfather be=x

As Given that Baichung 's father is 26 years younger than Baichung's grandfather and 29 year older than Baichung .So ,

$\longmapsto\tt{Age\:of\:Baichung's\:Father=x-26}$

⟼Age of Baichung

′

sFather=x−26

$\longmapsto\tt{Age\:of\:Baichung=x-26-29=x-55}$

⟼AgeofBaichung=x−26−29=x−55

A.T.Q :

$\longmapsto\tt{x+x-26+x-55=135}$

⟼x+x−26+x−55=135

$\longmapsto\tt{3x-81=135}⟼3x−81=135$

$\longmapsto\tt{3x=135+81}⟼3x=135+81$

$\longmapsto\tt{3x=216}⟼3x=216$

\

$\longmapsto\tt{x=\cancel\dfrac{216}{3}}⟼x= </p><p>3</p><p>216$

$\longmapsto\tt\bf{x=72}⟼x=72$

Value of x is 72 .

Therefore :

$\longmapsto\tt{Age\:of\:his\:Grandfather=x}$

⟼Age of his Grandfather=x

$\longmapsto\tt\bf{72\:yrs}⟼72yrs$

$\longmapsto\tt{Age\:of\:his\:Father=72-26}$

⟼Age of his Father=72−26

$\longmapsto\tt\bf{46\:yrs}⟼46yrs$

$\longmapsto\tt{Age\:of\:Baichung=72-55}$

⟼Age of Baichung=72−55

$\longmapsto\tt\bf{17\:yrs}⟼17yrs$