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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.,

LX

EX-PRESIDENT OF HARVARD COLLEGE.

BOSTON:

PUBLISHED BY GINN, HEATH, & CO.

1882.

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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.

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