The National Arithmetic on the Inductive System: Combining the Analytic and Synthetic Methods : Forming a Complete Course of Higher ArithmeticRobert S. Davis & Company, 1863 - 444 σελίδες |
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Σελίδα 92
... carat . 1 grain Diamond Weight is equal to grains Troy , and 1 carat to 3 grains Troy . In weighing pearls , the pennyweight is divided into 30 grains instead of 24 , so that 1 pearl grain is equal to grains Troy . The carat as a weight ...
... carat . 1 grain Diamond Weight is equal to grains Troy , and 1 carat to 3 grains Troy . In weighing pearls , the pennyweight is divided into 30 grains instead of 24 , so that 1 pearl grain is equal to grains Troy . The carat as a weight ...
Σελίδα 346
... carats fine were rated at 94 cents per pennyweight , and the gold coins of Spain , Mexico , and Colombia , of a fineness of 20 carats 37 grains , at the rate of 89 cents per pennyweight . NOTE . The relative value of gold and silver in ...
... carats fine were rated at 94 cents per pennyweight , and the gold coins of Spain , Mexico , and Colombia , of a fineness of 20 carats 37 grains , at the rate of 89 cents per pennyweight . NOTE . The relative value of gold and silver in ...
Σελίδα 363
... carats fine be mixed with 3 pounds of 20 carats fine , what is the fineness of the mix- ture ? Ans . 21 carats . 4. If I mix 20 pounds of tea at 70 cents per pound with 15 pounds at 60 cents per pound , and 80 pounds at 40 cents per ...
... carats fine be mixed with 3 pounds of 20 carats fine , what is the fineness of the mix- ture ? Ans . 21 carats . 4. If I mix 20 pounds of tea at 70 cents per pound with 15 pounds at 60 cents per pound , and 80 pounds at 40 cents per ...
Σελίδα 365
... carats fine , that the compound may be 20 carats fine . What quantity of each must he take ? Ans . 1oz . of 15 carats , 2oz . of 19 , 1oz . of 23 , and loz . of 24 . 4. It is required to mix several sorts of wine at 60 cents , 80 cents ...
... carats fine , that the compound may be 20 carats fine . What quantity of each must he take ? Ans . 1oz . of 15 carats , 2oz . of 19 , 1oz . of 23 , and loz . of 24 . 4. It is required to mix several sorts of wine at 60 cents , 80 cents ...
Σελίδα 366
... carats fine must be mixed with 5 ounces of 18 carats fine , so that the compo- sition may be 20 carats fine ? 20 Ans . 1oz . at 15 carats , loz . at 17 carats , 9oz . at 22 carats . OPERATION . loz . at 15 , gain 5 ) loz . at 17 , gain ...
... carats fine must be mixed with 5 ounces of 18 carats fine , so that the compo- sition may be 20 carats fine ? 20 Ans . 1oz . at 15 carats , loz . at 17 carats , 9oz . at 22 carats . OPERATION . loz . at 15 , gain 5 ) loz . at 17 , gain ...
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12 per cent acres amount annexed annuity Arithmetic avoirdupois barrels becomes due bill bought bushels carats cask ciphers circumference column common denominator common fraction composite number compound interest compound numbers contain continued fraction cost cube root diameter difference discount dividend division dollars duodecimal equal exactly divide EXAMPLES expressed decimally feet long figures gain gallons given number grains greatest common divisor Hence hogshead hundred improper fraction inches last term least common multiple longitude lowest terms measure meters miles minuend mixed number months multiplicand Multiply NOTE number denoting number of days number of terms obtain paid payable payment pounds premium present worth prime factors prime number principal quantity quotient rate per cent ratio received Reduce remainder repetend rods RULE SECOND OPERATION shillings side simple numbers sold square root subtract subtrahend tens third thousand tons weight whole number write yards