SOLUTION: If David is 6 & his sister is half his age when David is 100 how old is his sister

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: If David is 6 & his sister is half his age when David is 100 how old is his sister      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 1087282: If David is 6 & his sister is half his age when David is 100 how old is his sister
Found 2 solutions by Fombitz, MathTherapy:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
His sister is then S=6%2F2
So then add the difference between 100 and 6 to her current age, so she'll be,
6%2F2%2B%28100-6%29

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

If David is 6 & his sister is half his age when David is 100 how old is his sister
The DIFFERENCE in their ages is 6 - 3, or 3, and David is OLDER. That's all you need to know in order to answer any question!

For this question, when David is 100, how old do you think his sister will be?