Mental arithmetic; or, A concise system of commercial arithmeticSimpkin, Marshall, & Company, 1852 - 92 σελίδες |
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Σελίδα 23
... sugar cost at 6d per lb ? 1 - lb. 112 , and 112 at 1d . is £ 0 9 4 6 £ 2 16 0 Ans . What will 100 dozen of eggs amount to , 5d . per dozen ? 100 at 1d . is £ 0 8 4 5 £ 2 1 8 Ans . per cwt ? What will 154 cwt . of coals amount to 9d ...
... sugar cost at 6d per lb ? 1 - lb. 112 , and 112 at 1d . is £ 0 9 4 6 £ 2 16 0 Ans . What will 100 dozen of eggs amount to , 5d . per dozen ? 100 at 1d . is £ 0 8 4 5 £ 2 1 8 Ans . per cwt ? What will 154 cwt . of coals amount to 9d ...
Σελίδα 25
... sugar amount to at 5d . per lb ? 112 lbs . and 112 , at 1d . , is £ 0 9 4 1 cwt = 5 / 1 / Ans . £ 2 7 10 What will 56 oz . amount to at 34d . per oz . ? Ans . £ 0 15s . 2d . What will 87 yards cost at 7 per yard ? Ans . £ 2 14 4 What ...
... sugar amount to at 5d . per lb ? 112 lbs . and 112 , at 1d . , is £ 0 9 4 1 cwt = 5 / 1 / Ans . £ 2 7 10 What will 56 oz . amount to at 34d . per oz . ? Ans . £ 0 15s . 2d . What will 87 yards cost at 7 per yard ? Ans . £ 2 14 4 What ...
Σελίδα 44
... sugar at 6d . per lb. £ 1 11 6 24 0 1 8 7 3 12 29 of soap at 54d . 21 93 29 18 29 " " 1 2 1 cwt . , 2 qrs . , of coffee at 2s . 3d . 5 cwts . , 3 qrs . , 14 lbs . , of iron at 24d . of candle at 7d . 39 of tea at 5s . 6d . 20 7 0 " " 18 ...
... sugar at 6d . per lb. £ 1 11 6 24 0 1 8 7 3 12 29 of soap at 54d . 21 93 29 18 29 " " 1 2 1 cwt . , 2 qrs . , of coffee at 2s . 3d . 5 cwts . , 3 qrs . , 14 lbs . , of iron at 24d . of candle at 7d . 39 of tea at 5s . 6d . 20 7 0 " " 18 ...
Σελίδα 78
... sugar at 63d . per lb. , by which there was lost £ 8 per cent . Required the price at which it was sold per lb. ? £ 81 = D. 1 of 100. 12 ) 63 F Ans . 5 Selling price per lb. Bought cloth at 12s . 6d . per yard , 78 MENTAL ARITHMETIC .
... sugar at 63d . per lb. , by which there was lost £ 8 per cent . Required the price at which it was sold per lb. ? £ 81 = D. 1 of 100. 12 ) 63 F Ans . 5 Selling price per lb. Bought cloth at 12s . 6d . per yard , 78 MENTAL ARITHMETIC .
Σελίδα 88
... 2s . 3d . each . - 2s 3d USUAL METHOD . NEW METHOD . £ 0 2 3 x 0 10 = £ 0 0 0 720 at 1s . = £ 36 £ 1 2 6 × 2 - 250 21 Ans . £ 81 10 £ 11 5 0 × 7 78 15 0 Ans . £ 81 0 0 What will 126 lbs . of sugar cost , at 88 MENTAL ARITHMETIC .
... 2s . 3d . each . - 2s 3d USUAL METHOD . NEW METHOD . £ 0 2 3 x 0 10 = £ 0 0 0 720 at 1s . = £ 36 £ 1 2 6 × 2 - 250 21 Ans . £ 81 10 £ 11 5 0 × 7 78 15 0 Ans . £ 81 0 0 What will 126 lbs . of sugar cost , at 88 MENTAL ARITHMETIC .
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Mental Arithmetic, Or, a Concise System of Commercial Arithmetic James Strachan Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
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27 yards 33 per cent acre amount bill Calculate the interest CALCULATE THE VALUE Commission considered as pence considered as pounds consists of pence cost at 74d Divide the principal EXAMPLES find the interest Find the number find the price find the value FOCHABERS following sums given number given quantity given rate interest in shillings interest of 120 MENTAL ARITHMETIC metic money for months months at 33 multi multiplying the price number of articles number of dozens number of months number of pence number of pounds number of scores number of shillings penny penny-weight pole in pence pounds sterling price consists principal in pounds quantity or number quotient rate per cent rent Required the interest RULE.-Multiply the price RULE.-Multiply the principal scruple Selling price sixpences stones of hay sum of money TROY WEIGHT true discount usual method yards amount دو وو
Δημοφιλή αποσπάσματα
Σελίδα 17 - Square inches (sq. in.) make 1 square foot (sq. ft.). 9 Square feet 1 square yard (sq. yd.). 30$ Square yards 1 square pole (sq. po.). 40 Square poles 1 rood (ro.). 4 Roods , 1 acre (ac.). 640 Acres 1 square mile.
Σελίδα 18 - Gallon gal. 2 Gallons = 1 Peck pk. 4 Pecks = 1 Bushel bush. 8 Bushels = 1 Quarter qr.
Σελίδα 18 - WINE MEASURE. 4 gills (gl.) make 1 pint marked pt. 2 pints 1 quart qt. 4 quarts 1 gallon gal. 31J gallons 1 barrel or half hhd. bbl. 63 gallons 1 hogshead hhd. 2 hogsheads 1 pipe or butt p. or b. 2 pipes 1 tun T. By this measure brandy, spirits, perry, cider, mead, vinegar, and oil are measured. 15. At 3 dollars a gallon, what will 2 pipes of wine cost ? 16.
Σελίδα 17 - Linear Measure 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5...
Σελίδα 16 - Apothecaries' Weight 20 grains (gr.) = 1 scruple (sc.) 3 scruples = 1 dram (dr.) 8 drams = 1 ounce (oz.) 12 ounces = 1 pound (Ib...
Σελίδα 17 - Yard 1 yd. 5 Quarters ... 1 English Ell. 6 Quarters ... 1 French Ell. 3 Quarters ... 1 Flemish Ell.
Σελίδα 16 - Avoirdupois Weight. 16 drams (dr.) = 1 ounce (oz.). 16 ounces — 1 pound (Ib.). 100 pounds — 1 hundredweight (cwt.). .2000 pounds - 1 ton (t.). The long ton is still used in the United States Custom Houses and in wholesale transactions in iron and coal. 112 pounds avoirdupois =- 1 long hundredweight 2240 pounds avoirdupois = 1 long ton. 1 pound avoirdupois •* 7000 Troy grains.
Σελίδα 69 - Multiply the principal by the number of days, divide the product by 73, and point off two decimals: the quotient will be the interest, in the denomination of the principal.
Σελίδα 15 - ... means 9 tens, and the 3 which we place under it means 3 tens, showing, that 3 is contained in 90, 30 times. A Dividend is a number which is to be divided; such is the number 396 in the above example.
Σελίδα 18 - Time 60 seconds (sec.) = 1 minute (mm.) 60 minutes = 1 hour (hr.) 24 hours = 1 day 7 days = 1 week 4 weeks = 1 lunar month 365 days = 1 year 366 days = 1 leap year Measurement of Angles 60 seconds (') = 1 minute (') 60 minutes = 1 degree (°) 60 degrees = 1 sextant 90 degrees = 1 quadrant (or right angle) 360 degrees = 1 full circle...