SOLUTION: Karen is five years younger than Susan. Three years ago, the sum of their ages was 11. How old are they now?

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Question 323625: Karen is five years younger than Susan. Three years ago, the sum of their ages was 11. How old are they now?
Answer by Jk22(389) About Me  (Show Source):
You can put this solution on YOUR website!
K=S-5
K-3+S-3=11=>K+S=17=2S-5
=>S=11, K=6