SOLUTION: Algebra Question: John's age is one third of his dad's age and two fifths of his mother's age.the age difference between his parents is ten years. how old are the three respectivel
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Question 887209: Algebra Question: John's age is one third of his dad's age and two fifths of his mother's age.the age difference between his parents is ten years. how old are the three respectively?
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Algebra Question: John's age is one third of his dad's age and two fifths of his mother's age.the age difference between his parents is ten years. how old are the three respectively?
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let x=John's age
3x=dad's age
(5/2)x=mother's age
..
3x-5x/2=10
6x-5x=20
x=20
3x=60
(5/2)x=50
John's age=20
dad's age=60
mother's age=50
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