The Complete Arithmetic, Oral and Written, on the Basis of Works by Benjamin Greenleaf

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Benj. H. Sanborn & Company, 1911 - 378 σελίδες

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Σελίδα 221 - RULE. — Multiply each debt by its term of credit, and divide the sum of the products by the sum of the debts. The quotient will be the average term of credit.
Σελίδα 116 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 260 - Sphere is a body bounded by a uniformly curved surface, all the points of which are equally distant from a point within called the center.
Σελίδα 162 - A brick is 8 in. long, 4 in. wide, and 2 in. thick.
Σελίδα 1 - A number is a unit or a collection of units; as one, three apples, five boys. 4. The unit of a number is one of the collection of units which constitutes the number. Thus, the unit of twelve is one, of twenty dollars is one dollar.
Σελίδα 38 - If 8 men can do a piece of work in 12 days, how long will it take...
Σελίδα 155 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord ; and a cord foot is 1 foot in length of such a pile.
Σελίδα 44 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Σελίδα 257 - The usual method of finding the area of the trapezium is to measure the lengths of a diagonal, as AC', and also the lengths of perpendiculars to this diagonal dropped from the opposite corners B and D ; then to compute the areas of the triangles ABD, ACD; and add the two results together.
Σελίδα 117 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...

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