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Hi
Butch is 4 yrs older than his sister.
butch = x+4
butch's sister = x |Yes, Super!
Question states***
(1/3)(x+4) = x-2
Solving for x
(x+4) = 3x-6
10 = 2x
x = 5, sister's age. butch is 9. (5+4)
CHECKING our Answer***
9/3 = 5-2 = 3