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.

BY THE EDITOR OF

66
NEW ELEMENTARY ALGEBRA," NEW HIGHER
ALGEBRA," ETC., IN THE SERIES.

BOSTON:
PUBLISHED BY ROBERT S. DAVIS & CO

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

Educ T 118. 69.438

WARYARD CULLCCE

FROM THE GIPT LA
CHARLES HERRIFT !!!

MAR 5 1

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.

e Each book in the series is complete in itself.

KEYS to PRACTICAL ARITHMETIC, ALGEBRAS, GEOMETRY, 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.