SOLUTION: Lynn is twice as old as carol. Three years ago, Lynn was three times as old as carol. How old is carol now?
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Question 754640: Lynn is twice as old as carol. Three years ago, Lynn was three times as old as carol. How old is carol now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Lynn's age now
Let = Carol's age now
given:
(1)
(2)
-----------------------
Substitute (1) into (2)
(2)
(2)
(2)
(2)
Carol is 6 now
check:
(1)
(1)
(1)
and
(2)
(2)
(2)
(2)
OK
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