SOLUTION: Sally is twice as old as Fred four years ago Sally was three times as old as Fred how old is Sally and Fred now

Question 1031377: Sally is twice as old as Fred four years ago Sally was three times as old as Fred how old is Sally and Fred now
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Sally's age now
Let = Fred's age now
------------------------
(1)
(2)
------------------------
(2)
(2)
Plug (1) into (2)
(2)
(2)
and
(1)
(1)
(1)
---------------------
Sally is 16 and Fred is 8
---------------------
check:
(2)
(2)
(2)
(2)
OK
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