SOLUTION: Gary is 7 years old. He is one more than twice his sister amy's age. How old is Amy?

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Question 1076425: Gary is 7 years old. He is one more than twice his sister amy's age. How old is Amy?
Answer by Edwin McCravy(20056) About Me  (Show Source):
You can put this solution on YOUR website!
 G = 7

 7 = 2A + 1
-1      - 1
-----------
 6 = 2A

6%2F2%22%22=%22%22%282A%29%2F2

 3 = A

Edwin