A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 10
... earned in one week 9 dollars , and in another week only 1 dollar ; how much did he earn in all ? 30. Paid 9 dollars for a saddle , and 2 dollars for a bridle ; how much did both cost ? 31. Andrew paid 9 cents for a quart of nuts , and 3 ...
... earned in one week 9 dollars , and in another week only 1 dollar ; how much did he earn in all ? 30. Paid 9 dollars for a saddle , and 2 dollars for a bridle ; how much did both cost ? 31. Andrew paid 9 cents for a quart of nuts , and 3 ...
Σελίδα 23
... under another 8 ; and having given his brother 6 , eaten 5 , and thrown away some that were defective , he had 20 left ; how many did he throw away ? 34. If you should earn 80 cents one day and MENTAL ARITHMETIC . 23.
... under another 8 ; and having given his brother 6 , eaten 5 , and thrown away some that were defective , he had 20 left ; how many did he throw away ? 34. If you should earn 80 cents one day and MENTAL ARITHMETIC . 23.
Σελίδα 24
Benjamin Greenleaf. 34. If you should earn 80 cents one day and spend 20 cents , and the next day should earn 60 cents and spend 40 cents , how much would you have left of the two days ' earnings ? 35. A man went a " shopping " with 20 ...
Benjamin Greenleaf. 34. If you should earn 80 cents one day and spend 20 cents , and the next day should earn 60 cents and spend 40 cents , how much would you have left of the two days ' earnings ? 35. A man went a " shopping " with 20 ...
Σελίδα 30
... earns 50 dollars in 5 weeks , and pays of his earnings 3 dollars a week for board , how much will he have left ? 34. If one plough is worth 3 cords of wood , how many cords will 15 ploughs cost ? 35. If a man earns 100 cents a day , and ...
... earns 50 dollars in 5 weeks , and pays of his earnings 3 dollars a week for board , how much will he have left ? 34. If one plough is worth 3 cords of wood , how many cords will 15 ploughs cost ? 35. If a man earns 100 cents a day , and ...
Σελίδα 33
... earn 49 shillings ? 33. For 63 dollars how many ploughs can be bought , at 9 dollars each ? 34. At 8 dimes a day , how long will a man be in earning 64 dimes ? 35. At 5 cents a yard , how many yards of rib- bon can be bought for 60 ...
... earn 49 shillings ? 33. For 63 dollars how many ploughs can be bought , at 9 dollars each ? 34. At 8 dimes a day , how long will a man be in earning 64 dimes ? 35. At 5 cents a yard , how many yards of rib- bon can be bought for 60 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents 12 days 12 dollars 20 per cent 40 dollars 50 cents 9 cents 9 dollars acres amount barrel of flour bought boys bushels of corn bushels of wheat cents a dozen cents a pound cents a quart cents a yard cents apiece contained cords of wood cows cubic feet decimal fraction denominator dimes dollar a bushel dollars a yard earn eight equal equivalent mixed factors fifths fourths furlongs gain gallons gave give hogshead horse hundred hundred-weight improper fraction interest of $100 John less LESSON lowest terms MENTAL ARITHMETIC merator miles an hour mixed number molasses months Multiply nator NOTE oranges ounces paid pecks pence pennyweights pine-apple pints pounds of sugar present worth prime number quarters quire rate per cent receive Reduce remainder sell sevenths sheep shillings sixths square rods subtract tens third weeks whole number yards of broadcloth yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 28 - If two men start from the same place, and travel in opposite directions, the one travelling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how far apart will they be at the end of 5 hours ? 11.
Σελίδα 122 - Multiplication is the process of taking one number as many times as there are units in another number.
Σελίδα 55 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Σελίδα 50 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 46 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES
Σελίδα 53 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 47 - AVOIRDUPOIS WEIGHT. 16 Drams (dr.) make 1 Ounce, oz. 16 Ounces " 1 Pound, Ib. 25 Pounds " 1 Quarter, qr. 4 Quarters " 1 Hundred-weight, cwt. 20 Hundred-weight
Σελίδα 114 - A cistern has 4 pipes ; the first will fill it in 2 hours, the second will fill it in 3 hours, the third in 4 hours, and the fourth will empty it in 2 hours ; now, if the pipes are all open at the same time, how long •will it take to fill the cistern ? 10.
Σελίδα 66 - When the numerator is less than the denominator, the fraction is called a proper fraction ; when the numerator is equal to or larger than the denominator, the fraction is called an improper fraction ; when a fraction is joined with a whole number, the expression is called a mixed number.