VJesus12 wrote:If 2x = 3y = 10, then 12xy = ?
(A) 1,200
(B) 200
(C) 120
(D) 40
(E) 20
Since 2x=10 and 3y=10, we get:
(2x)(3y) = 10*10
6xy = 100
12xy = 200.
The correct answer is
B.
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