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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.

1881.

Educ T. 118, 21,880

HARVARD COLLEGE LIBRARY

GHIT OF
MISS ELLEN L. WENTWORTH

MAY 8 1939

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.