SOLUTION: If Nancy's age is 70% of Mary's age and 4 years ago Mary's age was 1.6 times as old as Nancy. What are their ages now.
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Question 447840: If Nancy's age is 70% of Mary's age and 4 years ago Mary's age was 1.6 times as old as Nancy. What are their ages now.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Let x = Mary's age
Just solve the equation
x - 4 = 1.6(0.70x - 4)
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