SOLUTION: Mary was 21 when her daughter Carol was born. Carol was 18 when her child was born. The child is now six years old. How old is Mary?

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Question 833321: Mary was 21 when her daughter Carol was born. Carol was 18 when her child was born. The child
is now six years old. How old is Mary?

Answer by JulietG(1812)   (Show Source): You can put this solution on YOUR website!
Let's work this backward.
Child = 6 years
Add 18 for Carol = 24
Add 21 for Mary = 45

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