SOLUTION: my husband is four time older then my daughter. in twenty years time, he will be twice as old as my daughter. how old is my daughter?

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Question 447241: my husband is four time older then my daughter. in twenty years time, he will be twice as old as my daughter. how old is my daughter?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
Daughter x
Dad 4x
20 years later
Daughter =x+20
Dad=4x+ 20
Dad=2 times older
4x+20=2 (x+20)
4x+20=2 x+40
2x=40-20
x=10
x=10 Daughter's age now