SOLUTION: In three years time Joanne will be twice as old as her daughter. If Joanne is 45 years old now how old is her daughter?
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Question 775367: In three years time Joanne will be twice as old as her daughter. If Joanne is 45 years old now how old is her daughter?
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
In three years time Joanne will be twice as old as her daughter.
J + 3 = 2(D + 3)
If Joanne is 45 years old now
45 + 3 = 2(D + 3)
48 = 2D + 6
2D = 48 - 6
2D = 42
D = 21
Daughter is 21 years old.
Hope this helps.
;-)
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