Back to School/Do the Math: Latest 'new math' concept: Start early and make it fun Many American adults can't explain how to compute miles per gallon, interest paid on a loan or a 15 percent tip. Some -- even college graduates -- aren't too embarrassed to confess: "I can't do math." But as the school year begins, it's time to do the math. First part in a series. Eleanor Chute and Joe Smydo, The Pittsburgh Post Gazette, August 31, 2009
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