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Re: In a certain voting district, 40 percent of registered voters live in [#permalink]
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Algebraic approach:

Town A is 40%, therefore town B must be 60%
Town A registered voters:\(0.70*0.40 = 0.28\)
Town B registered voters: \(0.60x = 0.28\) --> \(x = \frac{28}{60}\) which is a little bit less than 50 percent.
Answer choice B.
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Re: In a certain voting district, 40 percent of registered voters live in [#permalink]
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Re: In a certain voting district, 40 percent of registered voters live in [#permalink]
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