A New System of Mental Arithmetic ...Author, and published, 1837 - 173 σελίδες |
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Σελίδα 26
... weeks , or days , it can easily be done in manner following . It is required to find a rule for years . Here , as ... weeks . Here , as there are 52 weeks in a yeer , the above rule must be multiplied by 52 , and we have it , thus , 5 ...
... weeks , or days , it can easily be done in manner following . It is required to find a rule for years . Here , as ... weeks . Here , as there are 52 weeks in a yeer , the above rule must be multiplied by 52 , and we have it , thus , 5 ...
Σελίδα 27
... weeks at 5 per cent . will gain £ 7 4s . ? Here 260 16X5 2610 13 810 4 , 13 4 and of 144-13 × 36 = £ 468 answer . A rule is required for days . There being 365 days in a year , multiply the rule above 5 X 365 1825 found for a year by it ...
... weeks at 5 per cent . will gain £ 7 4s . ? Here 260 16X5 2610 13 810 4 , 13 4 and of 144-13 × 36 = £ 468 answer . A rule is required for days . There being 365 days in a year , multiply the rule above 5 X 365 1825 found for a year by it ...
Σελίδα 45
... week at 5 per cent . per annum be wanted , We have £ 5 And 1 week of £ 100 , of a year . Then XX1 = £ 1040 the answer . From the denominator of the above answer , it appears that £ 1040 put to interest for 1 week at 5 per cent . per ...
... week at 5 per cent . per annum be wanted , We have £ 5 And 1 week of £ 100 , of a year . Then XX1 = £ 1040 the answer . From the denominator of the above answer , it appears that £ 1040 put to interest for 1 week at 5 per cent . per ...
Σελίδα 46
... week ; and ended with the principal to give one farthing per week . To make this more plain , it may be as well here to put down the principal at the rate per cent . before mentioned , with the interest , ( see numerator and denominator ...
... week ; and ended with the principal to give one farthing per week . To make this more plain , it may be as well here to put down the principal at the rate per cent . before mentioned , with the interest , ( see numerator and denominator ...
Σελίδα 47
... week will be £ 11 , or £ 1 10s . , the same as the last . EXAMPLES . What sum put to interest at 7 per cent . will gain 12s . per week ? First , 71 15 3 3 1 = and . X 3 ; this shews 40 52 2080 100 200 40 ' that £ 2080 will gain £ 3 per week ...
... week will be £ 11 , or £ 1 10s . , the same as the last . EXAMPLES . What sum put to interest at 7 per cent . will gain 12s . per week ? First , 71 15 3 3 1 = and . X 3 ; this shews 40 52 2080 100 200 40 ' that £ 2080 will gain £ 3 per week ...
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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.