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If you change the order of the numbers in my cousin's current age, you'll get her age for next year but doubled. How old is she?
S
H
_
_
S
2
5
Y
_
_
R
S
_
L
D
.
I
F
2
_
N
D
5
C
H
_
N
G
_
P
L
_
C
_
S
,
Y
_
_
W
_
L
L
G
_
T
5
2
.
S
H
_
W
_
L
L
T
_
R
N
2
6
N
_
X
T
Y
_
_
R
,
_
N
D
_
F
Y
_
_
D
_
_
B
L
_
T
H
_
T
N
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M
B
_
R
,
Y
_
_
W
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L
L
G
_
T
5
2
Clue
SHE IS 25 YEARS OLD. IF 2 AND 5 CHANGE PLACES, YOU WILL GET 52. SHE WILL TURN 26 NEXT YEAR, AND IF YOU DOUBLE THAT NUMBER, YOU WILL GET 52
GRANDFATHER WAS 66 AND GRANDSON WAS 6. WHEN GRANDFATHER WAS 61, GRANSON WAS 1 (61 = 1 X 61) WHEN GRANDFATHER WAS 62, GRANSON WAS 2 (62 = 2 X 31) WHEN GRANDFATHER WAS 63, GRANSON WAS 3 (63 = 3 X 21) WHEN GRANDFATHER WAS 64, GRANSON WAS 4 (64 = 4 X 16) WHEN GRANDFATHER WAS 65, GRANSON WAS 5 (65 = 5 X 13) WHEN GRANDFATHER WAS 66, GRANSON WAS 6 (66 = 6 X 11)
2,5,7 (AGE DIFFERENCES IS PRIME, 7-2, 7-5, AND 5-2)
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
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