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SAT Math quiz Flashcards | StudBud
SAT Math quiz
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If x is the average of m & 9, y is the average of 2m & 15, and z is the average of 3m & 18, what is the average of x
A
m + 6
B
m + 7
C
2m + 14
D
3m + 21
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correct · 0:00
