Three years ago, Nora was half as old as Mary is now. If Mary is four years

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Three years ago, Nora was half as old as Mary is now. If Mary is four years older than Nora, how old is Mary now? 


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Related Book For  answer-question

McGraw-Hill Education SAT 2017

ISBN: 9781259641657

1st Edition

Authors: Christopher Black, Mark Anestis

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