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PRACTICAL ARITHMETIC.
BY
G. A. WENTWORTH, A.M.,
PROFESSOR OF MATHEMATICS IN PHILLIPS EXETER ACADEMY,
AND
REV. THOMAS HILL, D.D., LL.D.,
EX-PRESIDENT OF HARVARD COLLEGE.
BOSTON:
PUBLISHED BY GINN, HEATH, & CO. 1882.
Entered, according to Act of Congress, in the year 1881, by
G. A WENTWORTH and THOMAS HILL.,
in the office of the Librarian of Congress, at Washington.
GINN & HEATH:
J. S. CUSHING, PRINTER, 16 HAWLEY STREET, BOSTON.