 | Warren Colburn - 1826 - 176 σελίδες
...gallons run out in an 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...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 days, in how many (days would 2 men do it ? 31. If 8 men... | |
 | Warren Colburn - 1827 - 186 σελίδες
...gallons run out in an 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 tnke to do the same work in 4 days 1 20. If 6 men -can do a piece of work in 9 days, in how many days... | |
 | Warren Colburn - 1836 - 216 σελίδες
...gallons run out in an 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...same work in 4 days ? 20. If 6 men can do a piece of woj'k) in 9 days, in how many days would 2 men do it ?U 21. If 8 men can do a piece of work in 5 days,... | |
 | Peirpont Edward Bates Botham - 1836 - 104 σελίδες
...2. If 2 men in 3 days will earn 14 dollars : how much will 7 men earn in the same time ? 3. If 5 men can do a piece of work in 8 days : how many men must be employed to perform the whole in 1 day? 4. If 4 tuns of hay will keep 2 cattle over the winter... | |
 | 1847 - 292 σελίδες
...men can build a house in 90 days, how long will it take 20 men to build it ? Ans. 54 days. Ex. 11. If 6 men can do a piece of work in 9 days, how long will it take 2 men to do it ? Ans. 27 days. Ex. 12. If f of a ton of coal cost $2,61, how... | |
 | Conley Plotts - 1848 - 278 σελίδες
...how long would the same quantity of provisions last 7 men ? 48. If 7 men can do a piece of work in 4 days, how many men would it take to do the same work in 2 days ? 49. A gentleman had a quantity of pavement to lay, which the contractor thought would take... | |
 | Thomas H. Palmer - 1854 - 368 σελίδες
...20 men can do a piece of work in 12 days, in what time may 30 men do the same work ? 04. If 30 men can do a piece of work in 8 days, how many men could do the same piece of work in 12 days? PART II. WRITTEN ARITHMETIC. INTRODUCTION. ADDRESSED TO... | |
 | Thomas H. Palmer - 1854 - 356 σελίδες
...the weight of sugar, at 6 cents a pound, may be purchased for 4 dollars and 20 cents ? 64. If 30 men can do a piece of work in 8 days, how many men could do the same piece of work in 12 days ? 65. When 20 men can do a piece of work in 12 days, in... | |
 | Horatio Nelson Robinson - 1866 - 200 σελίδες
...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 it take... | |
 | Stoddard A. Felter - 1868 - 238 σελίδες
...126. If 4 men can do f of a piece of work in £ of a week, how long will it take 1 man to do it ? 127. If 6 men can do a piece of work in 9 days, how many men would it take to do it in 1 day? 128. If 6 men can cut 12 cords of wood in 12 days, how... | |
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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. 
