Respuesta :

Answer:

My age is 12 years.

Step-by-step explanation:

Given:

Sister's age = 10 years

Let my age be x.

Now according to question;

my brother's age is 1/3 of my age

So brother's age = [tex]\frac{1}{3}x[/tex]

Also according to question;

my sister is 6 years older than my brother;

Sister's age = [tex]6+\frac{1}{3}x[/tex]

Also given Sister's age = 10 years

hence equation to find my age will be expressed as below;

[tex]6+\frac{1}{3}x = 10\\\\\frac{1}{3}x = 10-6\\\\\frac{1}{3}x = 4\\\\\therefore x = 4\times3 = 12[/tex]

Brothers age = [tex]\frac{1}{3}x=\frac{1}{3}\times12=4[/tex]

Hence my age is 12 years.

Q&A Education