A New System of Mental Arithmetic ...Author, and published, 1837 - 173 σελίδες |
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Σελίδα 13
... farthings , 26 , or 3 in its lowest And 20s . 960 ditto . terms . That is , 960 times 4s . 94d . = £ 231 ; and 320 times 4s . 94d . equal to £ 77 . From this case much entertaining information may be derived . I shall propose one line ...
... farthings , 26 , or 3 in its lowest And 20s . 960 ditto . terms . That is , 960 times 4s . 94d . = £ 231 ; and 320 times 4s . 94d . equal to £ 77 . From this case much entertaining information may be derived . I shall propose one line ...
Σελίδα 20
... farthings in the value must be multiplied by , and the quotient considered as pounds sterling , will be the answer ; but if it be required to find the price at so much per cwt . , then the rule must be inverted , that is , the pounds in ...
... farthings in the value must be multiplied by , and the quotient considered as pounds sterling , will be the answer ; but if it be required to find the price at so much per cwt . , then the rule must be inverted , that is , the pounds in ...
Σελίδα 21
... farthings in a £ . sterling , we have it in the form of a fraction , thus , 88 , and almost in the same moment in its lowest terms , namely , 4 , which shews that of the farthings in the price , considered as £ ' s ster- ling , will be ...
... farthings in a £ . sterling , we have it in the form of a fraction , thus , 88 , and almost in the same moment in its lowest terms , namely , 4 , which shews that of the farthings in the price , considered as £ ' s ster- ling , will be ...
Σελίδα 38
... 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 answer . EXAMPLES . What will 14lb . come to at £ 38.
... 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 answer . EXAMPLES . What will 14lb . come to at £ 38.
Σελίδα 39
... farthings ; for 2240 the lb. in a ton being put as a denominator , and 960 , the farthings in a £ . as a numerator , the fraction will be 18 , which shows that for 1lb . at £ 1 per ton the answer will be of a farthing ; from these ...
... farthings ; for 2240 the lb. in a ton being put as a denominator , and 960 , the farthings in a £ . as a numerator , the fraction will be 18 , which shows that for 1lb . at £ 1 per ton the answer will be of a farthing ; from these ...
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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
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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.