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
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(1)
(2)
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Substitute (2) into (1)
(1)
(1)
(1)
(1)
and
(2)
(2)
(2)
My age is 40
check answer:
(1)
(1)
(1)
(1)
OK
