Question 826195: Karen is twice as old as Lori.Three years from now,thesum of their ages will be 42.How old is karen? Pls. this problem will my project Answer by Seutip(231) (Show Source):
You can put this solution on YOUR website! Let x - be the age of Lori
2x - be the age of Karen
x+3 - be the age of Lori in 3 years
2x+3 - be the age of Karen in 3 years
2x+3+x+3=42
3x+6=42
3x=36
x=12
Therefore Lori is 12, and Karen is 24. :)
HOPE THAT HELPS!