THE AMERICAN INTELLECTUAL ARITHMETIC

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Δημοφιλή αποσπάσματα

Σελίδα 53 - The following lines will help to remember the number of days in each month : " Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except February alone, Which hath but twenty-eight in fine, Till leap year gives it twenty-nine.'
Σελίδα 173 - A decimal, or a mixed number of integers and decimals, can be multiplied by 10, 100, 1000, etc., by removing the decimal point as many places to the right as there are ciphers in the multiplier. Multiply .678 by 10, by 100, by 1000 ; 178.9 by 10 ; 19.320 by 10: 16.0054x100^? 54.37898x10000? 732.98x1000=?
Σελίδα 174 - A decimal, or a mixed number of integers and decimals, can be divided by 10, 100, 1000, etc., by removing the decimal point as many places to the left as there are ciphers in the divisor. Prefixing a Cipher in a decimal expression,
Σελίδα 133 - 14. A woman bought a certain number of apples, at the rate of 2 for a cent, as many more at the rate of 3 for a cent ; and sold them all at the rate of 5 for 2 cents, and by so doing, lost 4 cents. How many of each kind did she buy
Σελίδα 40 - 5. If 1 man can ride 1 mile for 4 cents, how far can 2 men ride for 80 cents ? 6. If 10 men accomplish a certain piece of work in 2 days, how long will it take 1 man to do the same ? 7. If 3 yards of cloth make 1 coat, how many coats will 18 yards make
Σελίδα 38 - 70. How many pine-apples, at 8 cents each, can" be obtained for 40 cents ? for 56 cents? 71. If a man travel 45 miles in 9 hours, how many miles does he travel in 1 hour ? 72. If a man travel 5 miles in an hour, how many hours will it take him to travel 40 miles ? 74.
Σελίδα 163 - sold two gold pencils, at $6 each; on one he gained 20$, and on the other he lost 20$. Did he gain or lose, and how much ? 15. A merchant sold a quantity of cloth for $280,
Σελίδα 55 - is the unit in measures of capacity, and is a cubic decimetre. The litre is equal to a little more than a quart wine measure. The GRAM is the unit of weight, and is the weight of a cube of pure water at the temperature of melting ice, each. edge of the cube being
Σελίδα 174 - A Common Fraction can be changed to an equivalent Decimal Fraction, by dividing its numerator with ciphers annexed, by its denominator, and making as many decimal places in the quotient as there are ciphers annexed; thus,
Σελίδα 123 - A laborer agreed to work 40 days upon this condition : that for every day he worked he should receive $2, and for every day he was idle he should pay $1 for his board. At the expiration of the time, he received $50. How many days did he work? ANALYSIS.—If

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