SOLUTION: Susan is 3 years older than Tom. Two years ago, Susan was twice as old as Tom. How old is each now?
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Question 1013839: Susan is 3 years older than Tom. Two years ago, Susan was twice as old as Tom. How old is each now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Susan's age now
Let = Tom's age now
--------------------------
(1)
(2)
-----------------------
(2)
(2)
and
(1)
---------------------
Add (1) and (2)
(2)
(1)
------------------
and
(1)
(1)
(1)
----------------
Susan is 8 and Tom is 5
----------------------
check:
2 yrs ago, Susan was 6
2 yrs ago, Tom was 3
Susan was twice as old
OK
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