A New System of Mental Arithmetic ...Author, and published, 1837 - 173 σελίδες |
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Σελίδα 12
... put to divide £ 95 among 96 men , the answer , if correct , will be 19s . 91⁄2d .; and , on the contrary , to ... interest . The following examples may be answered without the aid of pen or pencil : What is the value of of a Guinea ...
... put to divide £ 95 among 96 men , the answer , if correct , will be 19s . 91⁄2d .; and , on the contrary , to ... interest . The following examples may be answered without the aid of pen or pencil : What is the value of of a Guinea ...
Σελίδα 17
... interest . oro of the principal for 1 year's And 1 month of a year . Also £ 1 240 pence . Therefore 1 X X X 21 ° = 1 . This shows that £ 1 put to interest at the above rate will be a penny per month , consequently the rule will be as ...
... interest . oro of the principal for 1 year's And 1 month of a year . Also £ 1 240 pence . Therefore 1 X X X 21 ° = 1 . This shows that £ 1 put to interest at the above rate will be a penny per month , consequently the rule will be as ...
Σελίδα 22
... interest and months given at 5 per cent . per annum to find the principal . Rule . Reduce the given interest to ... put to interest at 5 per cent . for 7 years will gain £ 32 7s . 6d . ? Here £ 32 7s . 6d . = 647 . 7 ) £ 647 10s . Answer ...
... interest and months given at 5 per cent . per annum to find the principal . Rule . Reduce the given interest to ... put to interest at 5 per cent . for 7 years will gain £ 32 7s . 6d . ? Here £ 32 7s . 6d . = 647 . 7 ) £ 647 10s . Answer ...
Σελίδα 23
... put to interest at 5 per cent . per annum for 11 months will make the interest 19s . 7 d . ? Answer , £ 21 8s . 7 The principal and interest being given at find the time , d . per cent , to Rule . Divide the pence in the interest by the ...
... put to interest at 5 per cent . per annum for 11 months will make the interest 19s . 7 d . ? Answer , £ 21 8s . 7 The principal and interest being given at find the time , d . per cent , to Rule . Divide the pence in the interest by the ...
Σελίδα 24
... interest and time given to find the principal . Rule . Muliply the shillings ... put as a denominator , is the first letter for months , and will be the ... place of the days . EXAMPLE . In 7 months how many days ? and First . 30 × 7 ...
... interest and time given to find the principal . Rule . Muliply the shillings ... put as a denominator , is the first letter for months , and will be the ... place of the days . EXAMPLE . In 7 months how many days ? and First . 30 × 7 ...
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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.