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?

Question

5978 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-05-05T11:48:56

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#

Answer 2 · 2018-05-05T11:51:30

#3x+11# years.

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 :)