 How many hours a day must 42 boys work, to do in 45 days what 27 men can do in 28 days of 10 hours each, the work of a boy being half that of a man ? 11. If 8 guineas be expended in purchasing Brussels carpet f yd. wide, at 3».  Practical arithmetic - Σελίδα 130των John Purdue Bidlake - 1866 - 212 σελίδεςΠλήρης προβολή - Σχετικά με αυτό το βιβλίο
 | Samuel H. Winter - 1864 - 348 σελίδες
...be £3 6s. per lb., and the charge for workmanship be 2s. 8d. per ounce ? 10. How many hours a day must 42 boys work, to do in 45 days what 27 men can...hours each, the work of a boy being half that of a man ? 11. If 8 guineas be expended in purchasing Brussels carpet f yd. wide, at 3». 6d. per yard, for... | |
 | Ireland commissioners of nat. educ - 1865 - 184 σελίδες
...be £3, 6«. per ft, and the charge for workmanship be 2«. Ы. per ounce ? 10. How many hours a day must 42 boys work to do in 45 days what 27 men can...hours each, the work of a boy being half that of a man ? 11. If 8 guineas be expended in purchasing Brussels earpet, f -yard wide, at 3«. 6<Z. per yard,... | |
 | William Rossiter - 1867 - 250 σελίδες
...and the thicknesses as 7 : 18. 7 : 18 9 9 ,. a,= |x\^£f = 9x9 = 81 Ibs. (12.) How many hours a day must 42 boys work, to do in 45 days what 27 men can...hours each, the work of a boy being half that of a man ? Let x be the number of hours the boys must work. Then, because 27 men can do the work of 54 boys,... | |
 | Francis Young (F.R.G.S.) - 1872 - 204 σελίδες
...&/. per bushel ? 14. If I have 2& cwt. carried 84 miles for 2$s., how far can I have 18| cwt. earned for ^5 ? 15. How many hours a-day must 42 boys work,...of a boy being half that of a man ? 16. If it cost ¿y) 2s. 1\d. to keep 3 horses for 7 months, what will it cost to keep 2 horses for 11 months? THE... | |
 | John Stewart (of Hastings.) - 1874 - 150 σελίδες
...per acre. 186) How many miles, furlongs, poles, &o. in 123,456,789 inches ? 137) How many hours a day must 42 boys work to do in 45 days what 27 men can...hours each, the work of a boy being half that of a man ? 188) Find the compound interest on £340 for 8£ years at 4£ per cent. 139) .v/-T. 140) What will... | |
 | James Hamblin Smith, Thomas Kirkland - 1877 - 376 σελίδες
...How long will it take the other to fill it ? (66) How m:my hours a day must 42 boys work, to do in 15 days what 27 men can do in 28 days of 10 hours long ; the work of a boy being half that of a man^? (67) At what rate will the simple interest on $125... | |
 | James Hamblin Smith - 1878 - 390 σελίδες
...invests the proceeds at 3J per cent., what is the alteration in his income ? (276) How many hours a day must 42 boys work, to do in 45 days what 27 men can do in 28 days of 10 hours long ; the work of a boy being half that of a man ? (277) If 8 guineas be expended in purchasing Brussels... | |
 | Alexander Kennedy Isbister - 1882 - 190 σελίδες
...be £3, 6s. per ft, and the charge for workmanship be 2s. bd. per ounce ? 10. How many hours a day must 42 boys work to do in 45 days what 27 men can...hours each, the work of a boy being half that of a man ? 11. If 8 guineas be expended in purchasing Brussels carpet, j.yard wide, at 3s. 6d. per yard, for... | |
 | James Hamblin Smith - 1882 - 380 σελίδες
...them alone fills it in 1J hour. How long will it take the other to fill it ? (66) How many hours a day must 42 boys work, to do in 45 days what 27 men can do in 28 days of lOhours long ; the work of a boy being half that of a many ? (67) At what rate will the simple interest... | |
 | Annie Besant - 1884 - 468 σελίδες
...he like a ruined bankrupt ? [2 mark-*. NUTS FOR SHARP LITTLE TEETH TO CRACK. 1. How many hours a day must 42 boys work, to do in 45 days what 27 men can do in 28 days of 10 hours long ; the work of a boy being half that of a man ? [8 marks. 2. A squad of 11 boys fired 10 shots... | |
| |
