Price increased by \(M\%\) from \(1991\) to \(1992\) and by \(N\%\) from \(1992\) to \(1993.\) What was the percentage

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Price increased by \(M\%\) from \(1991\) to \(1992\) and by \(N\%\) from \(1992\) to \(1993.\) What was the percentage increase in price from \(1991\) to \(1993?\)

(1) \(MN = 300\)
(2) \(100M + 100N + MN = 4300\)

Answer: B

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