Mental Arithmetic Upon the Inductive Plan ...

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R.S. Davis & Company, 1855
 

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Página 86 - TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.
Página 82 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Página 67 - If 18 men can do a piece of work in 90 days, how long will it take one man to do the same ? 7.
Página 109 - If two men start from the same place, and travel in opposite directions, the one traveling 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.
Página 131 - MORE than one figure, multiply each figure of the multiplicand by each figure of the multiplier separately, and write the first figure of each partial product under the figure by which you are multiplying.
Página 58 - At 8 cents a pound, how many pounds of sugar can be bought for 96 cents ? 10.
Página 135 - PROOF. — - Multiply the divisor by the quotient, and to the product add the remainder, if any.
Página 35 - Zone rate zone rate zone rate zone rate zone rate zone rate zone rate 1 pound 2 pounds 3 pounds 4 pounds 5 pounds 6 pounds 7 pounds 8 pounds 9 pounds...
Página 87 - TABLE. 16 drams, (drs.) make 1 ounce, - marked - oz. 16 ounces ----- 1 pound, ----- Ib. 28 pounds ----- 1 quarter, ----- qr. 4 quarters ----- 1 hundredweight, - - cwt. 20 hundred weight - - 1 ton, ------ T.
Página 35 - If 1 pound of raisins cost 6 cents, what cost 4 pounds ? 5 pounds ? 6 pounds ? 7 pounds ? 8 pounds ? 9 pounds ? 10 pounds ? 12 pounds ? 16.

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