 | Thomas H. Palmer - 1854 - 368 σελίδες
...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 27 cords... | |
 | Thomas H. Palmer - 1854 - 356 σελίδες
...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 27 cords... | |
 | Daniel W. Fish - 1874 - 320 σελίδες
...parts of (8x10—6 + 4) ? 12. In each of 10 equal parts of (50 — 20 + 0 x 12) ? 13. If 3 men can do a piece of work in 8 days, in how many days can 4 men do the same work ? ANALYSIS. — If 3 men can do the work in 8 days, it will take one man 3 times 8 days,... | |
 | Daniel W. Fish - 1875 - 350 σελίδες
...equal parts of (8x10—6 + 4) ? 12. In each of 10 equal parts of (50—20+0 x 12) ? 13. If 3 men can do a piece of work in 8 days, in how many days can 4 men do the same work ? ANALYSIS. — If 3 men can do the work in 8 days, it will take one man 3 times 8 days,... | |
 | Joseph Ray - 1881 - 174 σελίδες
...spend in 6 weeks ? 13. If 6 men do a piece of work in 7 days, in how many days can 3 men do it ? 14°. If 5 men do a piece of work in 8 days, in how many days can 4 men do a job twice as large ? * 15°. If 6 men do a job in 5 days, in how many days can 2 men do a job half... | |
 | Henry Bartlett Maglathlin, Benjamin Greenleaf - 1831 - 386 σελίδες
...and shared the remainder equally with 9 others. How many did he give away in all ? 23. If 6 men can do a piece of work in 8 days, in how many days can 4 men do it ? 24. In what time can 6 men excavate a cellar, which 14 men can excavate in 3 days ? 25. If 15... | |
 | Henry Bartlett Maglathlin - 1882 - 398 σελίδες
...and shared the remainder equally with 9 others. How many did he give away in all ? 23. If 6 men can do a piece of work in 8 days, in how many days can 4 men do it ? 24. In what time can 6 men excavate a cellar, which 14 men can excavate in 3 days ? 25. If 15... | |
 | Waite A. Schoemaker - 1887 - 454 σελίδες
...of 1 Ib.? 7. If 6 Ib. of chlorate of potash cost $1.06, what is the cost of 1 Ib. ? 8. If 1 man can do a piece of work in 8 days, in how many days can 6 men do it ? 9. If a collection of 40 minerals can be purchased for ^, what is the average price per... | |
 | Alfred Kirk, A. R. Sabin - 1894 - 136 σελίδες
...rod in a day ? 23. If a laborer earns $ 2| a day, how much does he earn in 12 days ? 24. If 9 men can do a piece of work in 8^ days, in how many days should one man be able to do it ? LESSON XI. 1. How many times f are f ? f ? \2- ? -^ ? 2. How many... | |
 | George Albert Wentworth - 1896 - 490 σελίδες
...build a certain wall in 9 days, how many men will be required to build it in 3 days ? 6. If 7 men can do a piece of work in 8 days, in how many days can 1 man do it ? can 8 men do it ? 7. If 7 sheep cost 28 dojlars. what will 11 sheep cost ? 8. If 6 pounds... | |
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If 5 men do a piece of work in 8 days, in how many days can 4 men do a job twice as large ? * 15°. 
