SOLUTION: Ethan is 29 years younger than Sarah. 7 years ago, Sarah's age was 2 times Ethan's age. How old is Ethan now?

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Question 1090158: Ethan is 29 years younger than Sarah. 7 years ago, Sarah's age was 2 times Ethan's age. How old is Ethan now?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
E, Ethan
S, Sarah
system%28E=S-29%2CS-7=2%28E-7%29%29
Simply substitute, simplify,...

Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
The age difference between them is 29 years and remains to be constant forever.


So, 7 years ago Sarah's age was 58 years and Ethan age was 29. 


Thus their present ages are 58 + 7 = 65 for Sarah and 29 + 7 = 36 for Ethan.


This problem is for MENTAL solution.


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There is a bunch of lessons on age word problems
    - Age problems and their solutions
    - A fresh formulation of a traditional age problem
    - Really intricate age word problem
    - Selected age word problems from the archive
in this site.

Read them and become an expert in solving age problems.

Also, you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic "Age word problems".