SOLUTION: A boy is 17 years old and his sister is twice as old. When the boy is 23 what will be the age of his sister. I would like for you to show me how you got the answer also beca

Algebra.Com
Question 438267: A boy is 17 years old and his sister is twice as old. When the boy is 23 what will be the age of his sister.
I would like for you to show me how you got the answer also because I have a whole worksheet trying to solve people age.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
A boy is 17 years old and his sister is twice as old. When the boy is 23 what will be the age of his sister.
----------
Equations:
b = 17; s = 2*17 = 34
----
The boy will be 23 in 6 years.
In 6 years his sister will be 34+6 = 40.
------------------------
Cheers,
Stan H.

RELATED QUESTIONS

A boy is 17 years old and his sister is twice as old. When the boy is 23 years old, what... (answered by Maths68,Hankmanscott)
A boy is 17 years old and his sister is twice as old. When the boy is 23 what will be the (answered by ewatrrr)
a boy is 5 years old, and his sister is twice as old. when the boy is 8 years, what will... (answered by ichudov)
A boy is 8 years old and his sister is twice his age if the boy turn 12 years old how old (answered by addingup)
A boy is 5 years old and his sisters is twice as old. When the boy is 8 years old, how... (answered by bobdabuildr)
If a boy is 5 years old. and his sister is 3 times his age. how old will the sister be... (answered by lenny460)
A boy is of 4Years old. His sister is three times elder to him. What is the age of... (answered by Alan3354)
A boy is twice as old as his sister, and half as old as their father. In 50 years, his... (answered by lwsshak3)
A boy is 4 years old and his sister is three times as old as he is. When the boy is 12... (answered by darq)