SOLUTION: Hi, Please help me solve the question below: A girl is 18 years old and her brother is a third of her age. When the girl is 36, what will be the age of her brother. I tried

Algebra.Com
Question 997766: Hi,
Please help me solve the question below:
A girl is 18 years old and her brother is a third of her age. When the girl is 36, what will be the age of her brother.
I tried answering the question by doing the solution below:
= brother (18/3) = 6 years old
= girl 36
answer brother 12 year old
Let me know if this is the correct answer, if not please show me the solution.
Thanks
Melinda

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Note that the difference in their ages never changes
Girl's age = 18
Brother's age =
So, the difference in their ages is yrs
When the girl is , the brother will
still be 12 years younger

The brother will be 24

RELATED QUESTIONS

A girl is 21 years old and her brother is a third of her age. When the girl is 36, what... (answered by ikleyn,Alan3354)
A girl is 15 years old, her brother is twice as old. When the girl is 25 yeard old , what (answered by Jc0110)
the sum of the ages of a girl and her brother is 26 years.three years ago her age was... (answered by josgarithmetic,ikleyn)
If a girl is a quarter of her dads age and the girl is 10 how old is her... (answered by jim_thompson5910)
The sum of the age of a girl and her brother is 26 years.three years age,her age was four (answered by rothauserc)
a girl is 3 years old and her brother is 3 times older than her. when she turns 7, how... (answered by drj)
A girl is 20 years old and her cousin is twice as old. When the girl is 30, how old will... (answered by rfer)
a girl is 6 years younger than her brother the product of their age is 135,find their... (answered by Alan3354)
A girl is half as old as her brother and two years younger than her sister.the sum of the (answered by Maths68)