The ages of Abu, Segun, Kofi and Funmi are 17 years, (2x -13) years, 14…

Mathematics NECO 2008

The ages of Abu, Segun, Kofi and Funmi are 17 years, (2x -13) years, 14 years and 16 years respectively. What is the value of x if their mean ages is 17.5 years?

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The correct answer is: A

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