Friday, April 18, 2014

Math problems of the week: Rates problems in Chicago Algebra vs. 1900s algebra

I. From the "Rates" section of the "Division in Algebra" chapter (Chapter 6) of The University of Chicago Mathematics Project Algebra: [click to enlarge]:

II. The rates problems in the "Simple Equations" chapter (Chapter 2) of Wentworth's New School Algebra [click to enlarge]:

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