- #1
Elbobo
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Homework Statement
If a, b, c, and f are four nonzero numbers, then all of the following proportions are equivalent EXCEPT
(A) (a / f) = (b / c)
(B) (f / c) = (b / a)
(C) (c / a) = (f / b)
(D) (a / c) = (b / f)
(E) (af / bc) = (1 / 1)
Homework Equations
None
The Attempt at a Solution
The answer is A, but I have absolutely no clue why. This question doesn't even make sense. And no, there's no diagram or any other info, which makes me think that this question was an error...