Three colleagues, M, N, and O, have an average age of 27. Ten years ago, their ages were in the rati

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Sumoftheirpresentages32781Sumoftheiragesbefore10years813051Lettheirages10yearsagowere4x6xand7xThen4x6x7x5117x51x3theirages10yearsagowere121821presentageofM121022presentageofN181028averageofpresentageofMandN2822225

Question

Three colleagues, M, N, and O, have an average age of

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Question

Three colleagues, M, N, and O, have an average age of

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