A New System of Mental Arithmetic ...Author, and published, 1837 - 173 σελίδες |
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Σελίδα 38
... ton being given to find the value of any given number of lb. Rule . For every 71b . add three farthings ; multiply the quantity thus turned to money by the pounds sterling per ton , and take aliquot parts for the rest , will be the ...
... ton being given to find the value of any given number of lb. Rule . For every 71b . add three farthings ; multiply the quantity thus turned to money by the pounds sterling per ton , and take aliquot parts for the rest , will be the ...
Σελίδα 39
... ton ? Here 14lb . 7 × 2 ; and × 2 = 14d .; hence the operation is as follows : 6s . 8d . 11⁄2d . 7 10 Answer , 11d . Had it been required to have found the value of 161b . , the above operation might still have been the same , only with ...
... ton ? Here 14lb . 7 × 2 ; and × 2 = 14d .; hence the operation is as follows : 6s . 8d . 11⁄2d . 7 10 Answer , 11d . Had it been required to have found the value of 161b . , the above operation might still have been the same , only with ...
Σελίδα 40
... ton . Rule . Divide by the given number of lb .; this quotient multiplied by the value in farthings will be the answer in pounds sterling per ton . EXAMPLES . If 291b . cost 5s . 54d . , what is the value of a ton ? First 32937 And 5s ...
... ton . Rule . Divide by the given number of lb .; this quotient multiplied by the value in farthings will be the answer in pounds sterling per ton . EXAMPLES . If 291b . cost 5s . 54d . , what is the value of a ton ? First 32937 And 5s ...
Σελίδα 41
... ton ? Answer , £ 6 13s . 1 d . When there are tons , cwt . qr . and lb. given , to find their value . Convert the tons into £ . sterling , and proceed with the rest as before directed . What EXAMPLES . will 3tons 7cwt . 3qr . 14lb ...
... ton ? Answer , £ 6 13s . 1 d . When there are tons , cwt . qr . and lb. given , to find their value . Convert the tons into £ . sterling , and proceed with the rest as before directed . What EXAMPLES . will 3tons 7cwt . 3qr . 14lb ...
Σελίδα 42
... ton ? Answer , £ 176 1s . 83d . The price of a lb. being given to find the value of a cwt . Rule . Multiply the farthings in the price by , and the answer in pounds is obtained . The ... tons . EXAMPLES . What is the value of 12cwt . at 42.
... ton ? Answer , £ 176 1s . 83d . The price of a lb. being given to find the value of a cwt . Rule . Multiply the farthings in the price by , and the answer in pounds is obtained . The ... tons . EXAMPLES . What is the value of 12cwt . at 42.
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12 per cent acres aliquot annexed annum answered mentally barley corns brought to farthings ciphers compound interest consequently cost price cube root deducted denominator difference dividend DIVISIONAL PROCESSES divisor doubling the right drams dwts ell English equal figure and fraction find the product find the value gain per cent gallons given number grains highest number hundreds last right hand left hand figure lowest terms mental calculation minutes multiplicand Multiply the given namely number of digits number of farthings number of figures number of months number of pounds number of shillings numeration table observe the following ounces pounds sterling principal put proceed put to interest quantity quotient rate per cent reader reduce remainder right hand figure selling price shews shillings and pence subtract Suppose tenpences three figures three left hand three right hand tons troy vulgar fraction weeks whole number yard cost yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 161 - Time, in advance, behind him hides his wings, And seems to creep, decrepit with his age ; Behold him, when past by ; what then is seen, But his broad pinions swifter than the winds ? And all mankind, in contradiction strong, Rueful, aghast ! cry out on his career.
Σελίδα 21 - Divide the numerator of the dividend by the numerator of the divisor.
Σελίδα 135 - If the price be an even number of shillings under 20 — multiply the quantity by half the number, doubling the first figure of the product for shillings, and the rest will be pounds.
Σελίδα 1 - ... and is called the denominator. The number above the line is called the numerator, because by it we enumerate, or express the number of parts taken.
Σελίδα 18 - Hence the BANK RULE. Multiply the principal by the number of days, and divide by 6000 ; the quotient will be the interest at 6 per cent. For any other rate than 6 per cent., compute the interest in the same manner, and add or subtract such part as may be required. For 4 per cent. subtract j ; for 4i per cent. subtract J ; for 5 per cent. subtract J ; for 7 per cent. add...
Σελίδα 153 - How often will the wheel of a coach, that is 17 feet in circumference, turn in 100 miles? Ans.
Σελίδα 31 - Cambric, which cost me 90/ but some Damage having happened to it, I am willing to lose...
Σελίδα 12 - RULE. Reduce the given Quantity to the lowest Name mentioned, for a Numerator ; under which put the Number of those Parts contained in an Unit of the Integer for a Denominator, then reduce the Fraaion to its lowest Terms.
Σελίδα 32 - If § of a yard cost § of a £, what will J of a yard cost? A
Σελίδα 55 - ... the amount, from which subtract the principal and the remainder will be the compound interest.