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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?
1
8
Y
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R
S
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L
D
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L
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T
M
Y
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G
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B
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X
Y
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R
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N
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W
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M
Y
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G
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F
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R
3
Y
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R
S
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S
(
X
+
3
)
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M
Y
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G
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3
Y
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S
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G
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S
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X
-
3
)
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S
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,
N
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W
W
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C
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N
C
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M
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P
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T
H
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N
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Q
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T
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N
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X
:
X
=
3
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X
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)
-
3
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X
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X
W
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L
L
G
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1
8
Clue
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
TINA WILL BE 97 YEARS OLD WHEN MARK IS 100 YEARS OLD. WHEN TOM WAS 6 YEARS OLD, TINA WAS 3 YEARS OLD. 94 YEARS LATER, HE BECOMES 100 YEARS OLD. AND 94 YEARS LATER, HIS SISTER WILL BE 97 (94 + 3) YEARS OLD
FOUR YEARS AGO. WHEN CHARLOTTE WAS 9 HER FATHER WAS 36, 4 TIMES HER AGE
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