Julianna is x years old. Her sister is 2 years older than her. Her mother is 3 times as old as her sister. Her Uncle Rich is 5 years older than her mother. How do you write and simplify an expression representing Rich's age?

2 Answers
May 5, 2018

Julianna's age =x
Her sister's age =x+2
Her mother's age =3(x+2)
Rich's age =3(x+2)+5
Simplify
3(x+2)+5=3x+6+5
3(x+2)+5=3x+11

May 5, 2018

3x+11 years.

Explanation:

Here, Julianna is x years.

Her sister is 2 years older than her,
rArr Her sister is x+2 years old.

Her mother is 3 times as old as her sister,
rArr Her mother is 3(x+2) years old.

Her uncle Rich is 5 years older than her mother,
rArr Her uncle is 3(x+2)+5 years old.
rArr 3x+6+5 years.
:. Rich is 3x+11 years old.

Hope this helps :)