oquiella wrote:If a, b, and c are non zero numbers and a+b=c, which of the following is equal to 1?
A. (a-b)/c
B. (a-c)/b
C. (b-c)/a
D. (b-a)/c
E. (c-b)/a
Since the answers choices are phrased in terms of SUBTRACTION, rephrase the given equation in terms of subtraction:
a+b = c
a = c-b
1 = (c-b)/a.
The correct answer is
E.
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