SOLUTION: Fred is 5 years older than Mary. In 4 years, Fred will be twice as old as Mary was one year ago. What is Fred's age now?

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Question 1148391: Fred is 5 years older than Mary. In 4 years, Fred will be twice as old as Mary was one year ago. What is Fred's age now?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Fred is 5 years older than Mary. In 4 years, Fred will be twice as old as Mary was one year ago. What is Fred's age now?
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F = M + 5
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In 4 years, Fred will be twice as old as Mary was one year ago.
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F + 4 = 2*(M-1)
Can you do the rest?

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