SOLUTION: Seven years ago, I was eleven times as old as my daughter. Now I am four times as old as she is. My age is ____.
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Question 572722: Seven years ago, I was eleven times as old as my daughter. Now I am four times as old as she is. My age is ____.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = my age now
Let = my Daughter's age now
= my age 7 yrs ago
= my Daughter's age 7 yrs ago
---------------------------------------------
(1)
(2)
------------------
Substitute (2) into (1)
(1)
(1)
(1)
(1)
and
(2)
(2)
(2)
My age is 40
check answer:
(1)
(1)
(1)
(1)
OK
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