A New System of Mental Arithmetic ...Author, and published, 1837 - 173 σελίδες |
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Σελίδα 46
... Suppose it is wanted to be known what principal put to interest will gain 19s . 11 d . per week . Here , opposite £ 1 stands £ 1040 ; and opposite a farthing £ 1 1s . 8d .; then from £ 1040 take £ 1 1s . 8d . we have £ 1038 18s . 4d ...
... Suppose it is wanted to be known what principal put to interest will gain 19s . 11 d . per week . Here , opposite £ 1 stands £ 1040 ; and opposite a farthing £ 1 1s . 8d .; then from £ 1040 take £ 1 1s . 8d . we have £ 1038 18s . 4d ...
Σελίδα 47
Daniel Harrison. Suppose I want to know what sum put to interest at 6 per cent . will give £ 11⁄2 , or , £ 1 10s . per week . Here the denominator answering to £ 1 10s . at 5 per cent . is £ 1560 . Then 1560 × , or , which is the same ...
Daniel Harrison. Suppose I want to know what sum put to interest at 6 per cent . will give £ 11⁄2 , or , £ 1 10s . per week . Here the denominator answering to £ 1 10s . at 5 per cent . is £ 1560 . Then 1560 × , or , which is the same ...
Σελίδα 55
... Suppose I take off 10 per cent . in consideration of ready money , what is my profit per cent . if I have put on the cost price £ 33 6s . 8d . ? Answer , £ 20 per cent . Suppose I take off 20 per cent . after putting on a profit of only ...
... Suppose I take off 10 per cent . in consideration of ready money , what is my profit per cent . if I have put on the cost price £ 33 6s . 8d . ? Answer , £ 20 per cent . Suppose I take off 20 per cent . after putting on a profit of only ...
Σελίδα 63
... Suppose 25 to be the loss per cent . ; now there are four twenty - fives in 100 ; and if the selling price be multiplied by 4 , and divided by 3 ( 4-1 ) , the answer will immediately be obtained . If 12 per cent . loss , ( or the 8th ...
... Suppose 25 to be the loss per cent . ; now there are four twenty - fives in 100 ; and if the selling price be multiplied by 4 , and divided by 3 ( 4-1 ) , the answer will immediately be obtained . If 12 per cent . loss , ( or the 8th ...
Σελίδα 65
... Suppose it were required to multiply any sum , for instance , by 703 ; we should begin with 7 first , rather than the 10 , because the product that results by multiplying by 7 , being divided by 8 , will give the value of the . Whenever ...
... Suppose it were required to multiply any sum , for instance , by 703 ; we should begin with 7 first , rather than the 10 , because the product that results by multiplying by 7 , being divided by 8 , will give the value of the . Whenever ...
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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.