 | Warren Colburn - Mental arithmetic - 1826 - 176 pages
...hour, how much remains in the cistern in an hour 1 and in how many hours will the cistern be filled ? 19. If 4 men can do a piece of work in 8 days, how many men would it take to do the same work in 4 days 1 20. If 6 men can do a piece of work in 9... | |
 | Warren Colburn - Mental arithmetic - 1829 - 180 pages
...much remains in the; cistern in an. hour ? and in how many hours will the sisteni be filled ?.' . 191, If 4 men can do a piece of work in 8 days; how many men would it take to do the same work in 4 days?,, .,,„..;.. , .... 20. If 6 men can do... | |
 | Warren Colburn - Arithmetic - 1847 - 170 pages
...hour, how much remains in the cistern in an hour ? and in how many hours will die cistern be filled ? 19. If 4 men can do a piece of work in 8 days, how many men would it take to do the same work in 4 days ? , 20. If 6 men can do a piece of work in... | |
 | Warren Colburn - Arithmetic - 1849 - 166 pages
...hour ? how much remains in the cistern in an hour ? and in how many hours will the cistern be filled ? 19. If 4 men can do a piece of work in 8 days, how many men would it take to do the same work in 4 days ? 20. If 6 men can do a piece of work in 9... | |
 | Thomas H. Palmer - Arithmetic - 1854 - 356 pages
...men can do a piece of work in 24 days, in how many days can 12 men do it ? 20. If 12 men can perform a piece of work in 8 days, in how many days can 4 men do it ? 21. If 15 cords of wood cost $50, what would 27 cords of the same wood cost ? 22. If... | |
 | Thomas H. Palmer - Arithmetic - 1854 - 368 pages
...men can do a piece of work in 24 days, in how many days can 12 men do it ? 20. If 12 men can perform a piece of work in 8 days, in how many days can 4 men do it ? 21. If 15 cords of wood cost $50, what would 27 cords of the same wood cost ? 22. If... | |
 | Charles D. Lawrence - Arithmetic - 1854 - 336 pages
...multiplier. This will appear plain upon reflection. 18. If 87 men can do a certain piece of work in 123 days, in how many days can 1 man do the same work ? Ans. 10701 days. 19. What is the cost of a farm contaming 257 acres, at 47 dollars per acre? Ans.... | |
 | Horatio Nelson Robinson - Arithmetic - 1866 - 200 pages
...flour, how many bushels will be required to buy 3 barrels ? 5 barrels ? 7 barrels ? 9 barrels ? 13. If 4 men can do a piece of work in 8 days, how many days will it take one man to do it ? 14. If 7 men can build a wall in 3 days, how long will... | |
 | George Augustus Walton, Electa Nobles Lincoln Walton - Arithmetic - 1869 - 350 pages
...4.20, what will 12 boxes cost at the same rate ? 14. If 2 men can do a certain piece of work in 18 days, in how many days can 1 man do the same work ? in how many days can 9 men do it ? 15. In how many days can 45 men weave as much cloth as 60 men can weave in 27 days ?... | |
 | George Augustus Walton, Electa N. L. Walton - Arithmetic - 1871 - 348 pages
...4.20, what will 12 boxes cost at the same rate ? 14. If 2 men can do a certain piece of work in 18 days, in how many days can 1 man do the same work ? in how many days can 9 men do it ? 15. In how many days can 45 men weave as much cloth as 60 men can weave in 27 days ?... | |
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If 4 men can do a piece of work in 8 days, how many men would it take to do the same work in 4 days ? 20. 
