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Saturday, June 2, 2007
ALGEBRA QUESTION OF THE DAY
The average of x, y, and z is 8 and the average of y and z is 4. What is the value of x? (A) 4 (B) 9 (C) 16 (D) 20 (E) 24
c...obviously
ReplyDelete16 is the answer
ReplyDeleteC
ReplyDeletec
ReplyDeletex+y+z/3=8
ReplyDeletewhere asy+z/2=4
means y+z=8
then x+8/3=8
so x=16