SOLUTION: Three years ago a father wa s four times as old as his daughter is now.the product of their present ages is 430.calculate the present age of the daughter

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Question 1175627: Three years ago a father wa s four times as old as his daughter is now.the product of their present ages is 430.calculate the present age of the daughter
Answer by ikleyn(52803)   (Show Source): You can put this solution on YOUR website!
.

Let x be the daughter present age;

then the father's present age is  (4x+3).


We are given that


    x*(4x+3) = 430.     (*)


The solution is obvious and you can guess it in 4 seconds:  x= 10.


ANSWER.  Daughter is 10 years old.

Alternatively, you can solve equation (*) formally.



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