SOLUTION: Age of brother is twice the age of his sister. 3 years back, age of brother was 3 times the age of his sister.find their present ages??

Algebra ->  Customizable Word Problem Solvers  -> Age -> SOLUTION: Age of brother is twice the age of his sister. 3 years back, age of brother was 3 times the age of his sister.find their present ages??       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 879694: Age of brother is twice the age of his sister. 3 years back, age of brother was 3 times the age of his sister.find their present ages??
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

Let x represent sister's age

Question States***3 years ago...

2x - 3 = 3(x-3)

 2x- 3 = 3x-9

     6 = x, the sister's age.  Bother is 12 2%2A6

CHECKING our answer***3 years ago...

 9+=+3%2A3

Wish You the Best in your Studies.