SOLUTION: Devin is 90 years younger than Sonya. 3 years ago, Sonya's age was 4 times Devin's age. How old is Devin now?
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Question 1052273: Devin is 90 years younger than Sonya. 3 years ago, Sonya's age was 4 times Devin's age. How old is Devin now?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Three years ago,
Substituting from above,
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