PRACTICAL ARITHMETIC;

IN WHICH

THE SCIENCE AND ITS APPLICATIONS

ARE SIMPLIFIED BY

INDUCTION AND ANALYSIS.

PREPARED TO ACCOMPANY THE MATHEMATICAL SERIES OF

BENJAMIN GREENLEAF, A. M.

(T

BY THE EDITOR OF NEW ELEMENTARY ALGEBRA," NEW HIGHER
ALGEBRA," ETC., IN THE SERIES.

99 66

BOSTON:

PUBLISHED BY ROBERT S. DAVIS & CO

NEW YORK: OAKLEY & MASON, AND A. S. BARNES & CO.

PHILADELPHIA: J. A. BANCROFT AND COMPANY.

CHICAGO: S. C. GRIGGS AND COMPANY.

ST. LOUIS: HENDRICKS & CHITTENDEN.

1869.

Educ T 118.69.438

WARYARD COLLEGE, PARY
FROM THE GIFT OF
CHARLES HERBERT DER
MAR 5 1920

GREENLEAF'S

NEW COMPREHENSIVE SERIES.

An ENTIRELY NEW MATHEMATICAL COURSE, Analytical
and Practical, Progressive and Scientific,
fully adapted to the best methods
of modern instruction.

GREENLEAF'S NEW PRIMARY ARITHMETIC.
GREENLEAF'S NEW ELEMENTARY ARITHMETIC.
GREENLEAF'S NEW PRACTICAL ARITHMETIC.
GREENLEAF'S NEW ELEMENTARY ALGEBRA.
GREENLEAF'S NEW HIGHER ALGEBRA.

GREENLEAF'S ELEMENTS OF GEOMETRY.
GREENLEAF'S ELEMENTS OF TRIGONOMETRY.

Each book in the series is complete in itself.

*KEYS to PRACTICAL ARITHMETIC, ALGEBRAS, GEOME

*

TRY, and TRIGONOMETRY, in separate volumes, for teachers

only.

Entered, according to Act of Congress, in the year 1866, by
HENRY B. MAGLATHLIN,

In the Clerk's Office of the District Court of the District of Massachusetts.

Entered, according to Act of Congress, in the year 1867, by
HENRY B. MAGLATHLIN,

In the Clerk's Office of the District Court of the District of Massachusetts.