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The Principles of Arithmetic


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The Principles of Arithmetic - Ray, Joseph

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1856 Excerpt: ...$750: $100:: $180: ( ); the 4th term is jbund by Cor. 1st, Art. 249, to be 100 X 180 Hence, I gain $24 on every $100, or 24 per cent., since ...