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December 20, 2014

Homework Help: Math Word Problem

Posted by Jared on Tuesday, September 24, 2013 at 7:37pm.

The Mesozoic Era began about 250,000,000 years ago. The Palezoic Era began 292,000,000 years before that. How long ago did the Palezoic Era Begin?

A. 42,000,000 Years

B. 492,000,000 Years

C. 542,000,000 Years

D. 556,000,000 Years

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