Bunuel wrote:
If x = 3a and y = 9b, then all of the following are equal to 2(x + y) EXCEPT
A. 3(2a + 6b)
B. 6(a + 3b)
C. 24(a/4 + 3b/4)
D. 1/3(18a + 54b)
E. 12(a/2 + 3b/4)
2(x + y) = 2x + 2y = 2*3a + 2*9b = 6a + 18bA. 3(2a + 6b) = 6a + 18b
B. 6(a + 3b) = 6a + 18b
C. 24(a/4 + 3b/4) = 6a + 18b
D. 1/3(18a + 54b) = 6a + 18b
E. 12(a/2 + 3b/4) =
6a + 9bANswer: Option E
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