A New System of Mental Arithmetic ...Author, and published, 1837 - 173 σελίδες |
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Σελίδα 10
... lb. Troy . Fractional part of a 0 10 0 rooz . dwts . grs . £ . 0 5 0 400 6 0 is S. d . 0 4 0 500 4 0 19 112 is 958 0 3 4 ... lb. 19 6 3899 15 0 488 troy as shillings in 19 38 99 10 0 88 a £ . sterling . Of an oz . Troy . ( qrs.nails . \ 10.
... lb. Troy . Fractional part of a 0 10 0 rooz . dwts . grs . £ . 0 5 0 400 6 0 is S. d . 0 4 0 500 4 0 19 112 is 958 0 3 4 ... lb. 19 6 3899 15 0 488 troy as shillings in 19 38 99 10 0 88 a £ . sterling . Of an oz . Troy . ( qrs.nails . \ 10.
Σελίδα 13
... sterling . Here the answer is of a pound . Hence , by multiplying the terms , £ = £ = £ + %%%% = £ $ 5328 = £ 3 5 7 9 8 8 . And by dividing the terms 81 27 13 480 160 80 From the first line , we have 11 89 44 24 480 at 3s . 4 d . = £ 81 ...
... sterling . Here the answer is of a pound . Hence , by multiplying the terms , £ = £ = £ + %%%% = £ $ 5328 = £ 3 5 7 9 8 8 . And by dividing the terms 81 27 13 480 160 80 From the first line , we have 11 89 44 24 480 at 3s . 4 d . = £ 81 ...
Σελίδα 15
... lb. Troy Answer , $ . Note . It is better when the lowest name can be reduced to the next greater to do so , thus , for oz . dwts . 8 10 % , which reduce to thirds of dwts . qrs . lb ... sterling is 4s . 9åd . ? Here 4s . ÷ and 9d . = 80 also ...
... lb. Troy Answer , $ . Note . It is better when the lowest name can be reduced to the next greater to do so , thus , for oz . dwts . 8 10 % , which reduce to thirds of dwts . qrs . lb ... sterling is 4s . 9åd . ? Here 4s . ÷ and 9d . = 80 also ...
Σελίδα 20
... 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 the price must be multiplied by 4 , the quotient considered as farthings ...
... 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 the price must be multiplied by 4 , the quotient considered as farthings ...
Σελίδα 21
... sterling , we have it in the form of a fraction , thus , 88 , and almost in the same moment in its lowest terms ... pounds be considered as pence and multiplied by , or which is the same thing , divided by 3 , we shall have 4s . 24d . as ...
... sterling , we have it in the form of a fraction , thus , 88 , and almost in the same moment in its lowest terms ... pounds be considered as pence and multiplied by , or which is the same thing , divided by 3 , we shall have 4s . 24d . as ...
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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.