SOLUTION: A father is four times as old as his daughter. In 6 years, he will be three times as old as she is. How old is the daughter now
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Question 648729: A father is four times as old as his daughter. In 6 years, he will be three times as old as she is. How old is the daughter now
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the Father's age now
Let = the Daughter's age now
given:
(1)
(2)
-----------------------
(2)
(2)
Substitute (1) into (2)
(2)
(2)
and, since
(1)
(1)
(1)
--------------
The Daughter is 12 now
check:
(2)
(2)
(2)
(2)
(2)
OK
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