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 SAT Question of the Week (10/10-10/16)

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PostSubject: SAT Question of the Week (10/10-10/16)   SAT Question of the Week (10/10-10/16) I_icon_minitimeTue Oct 11, 2011 8:35 pm
The average (arithmetic mean) of three positive numbers, x, y and z, is 12. When the greatest of these numbers is subtracted from the sum of the other two, the result is 4. If x<y<z, which of the following pair of equations could correctly express the information above.

(A) x+y+z36
x+y-z=4

(B) x+y+z=36
x+y-z=8

(C) x+y+z=24
x+y-z=4

(D) x+y+z=24
x+y-z=8

(E) x+y+z=42
xy+z=32
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PostSubject: Re: SAT Question of the Week (10/10-10/16)   SAT Question of the Week (10/10-10/16) I_icon_minitimeFri Oct 21, 2011 6:51 pm
The answer is A.
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