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0 / 60 seg.
My age today is three times what it will be three years from now, minus three times what my age was three years ago. How old am I?
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Q
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Clue
JOHN IS 12 YEARS OLD. IN 2 YEARS, JOHN WILL BE 14 YEARS OLD. 5 YEARS AGO, JOHN WAS 7 YEARS OLD
18 YEARS OLD. LET MY AGE BE X YEARS NOW. MY AGE AFTER 3 YEARS IS (X+3). MY AGE 3 YEARS AGO IS (X-3). SO, NOW WE CAN COME UP WITH AN EQUATION FOR X: X=3(X+3)-3(X-3) SOLVING FOR X WILL GIVE 18
THEY ARE 10.5 AND 0.5 YEARS OLD. A COMMON WRONG ANSWER IS 10 AND 1. THIS IS WRONG BECAUSE THE DIFFERENCE IN AGE WOULD BE 9, NOT 10
FOUR YEARS AGO. WHEN CHARLOTTE WAS 9 HER FATHER WAS 36, 4 TIMES HER AGE
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