SOLUTION: Sandy's age is three times Tom's age. Four years from now, Sandy will be twice as old as Tom. How old is Sandy now?

SOLUTION: Sandy's age is three times Tom's age. Four years from now, Sandy will be twice as old as Tom. How old is Sandy now?

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Question 979080: Sandy's age is three times Tom's age. Four years from now, Sandy will be twice as old as Tom. How old is Sandy now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
(1)
(2)
-----------------------
Substitute (1) into (2)
(2)
(2)
and
(1)
(1)
(1)
----------------
Sandy is 12 now
check:
(2)
(2)
(2)
(2)
OK

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