 | Thomas H. Palmer - Arithmetic - 1854 - 368 pages
...short method with ease and rapidity.] Practical Exercises. 1. If 25 men can do a piece of work in 25 days, how long will it take 1 man to do it ? 2. If 16 men can do a piece of work in 14 days, how long will it take 1 man to do it ? 3. Two men set... | |
 | Thomas H. Palmer - Arithmetic - 1854 - 356 pages
...short method with ease and rapidity.] Practical Exercises. 1. If 25 men can do a piece of work in 25 days, how long will it take 1 man to do it ? 2. If 16 men can do a piece of work in 14 days, how long will it take 1 man to do it ? 3. Two men set... | |
 | Robert Rawson - 1855 - 198 pages
...cent per annum ? (19) What will be the interest of 1008/. at 4J per cent per ann. ? Section 6. (20) If 6 men can do a piece of work in 15 days, how many men will do it in 45 days ? (21) If 7 horses can plough a field in 5 days, in how many days will... | |
 | John Fair Stoddard - Arithmetic - 1856 - 312 pages
...Multiply 897654321 by 123456789. PEACTICAL QUESTIONS. 1. If 15 men can build a certain wall in 235 days, how long will it take 1 man to do it ? 2. If 45 men can accomplish a certain piece of work in 360 days by working 8 hours a day, how many days... | |
 | Charles Davies - Arithmetic - 1859 - 186 pages
...fpr a cow, and sell her for % more than she cost, how much more do vow receive for her than you gave? 35. If 6 men can do a piece of work in 15| days. how...S.ECTION SEVENTH. LESSON I. Comparison of Numbers. \. What part of 2 is 1 ? How many times does 1 ontain 2?* 2. What part of 3 is 2? What is the ratio... | |
 | James Stewart Eaton - Arithmetic - 1864 - 188 pages
...If 6 men can do a piece of work in 10 day?, how many men can do the same in 15 days ? In 5 days? 26. If 6 men can do a piece of work in 15 days, in how many days can 10 men do the same? 30 men? 27. How many barrels of pork, at 12 dollars a barrel,... | |
 | James Stewart Eaton - Arithmetic - 1868 - 190 pages
...If 6 men can do a piece of work in 10 days, how many men can do the same in 15 days ? In 5 days: 26. If 6 men can do a piece of work in 15 days, in how many days can 10 men do the same? -30 men? 27. How many barrels of pork, at 12 dollars a barrel,... | |
 | Emerson Elbridge White - Arithmetic - 1870 - 350 pages
...a man can build a wall in 84 days, how long will it take 7 men to build it? C.Ar.— 3 8. If 8 men can do a piece of work in 15 days, how long will it take 12 men to do it? 9. If a quantity of provisions will supply a ship's crew of 20 men I ft weeks, how... | |
 | Alfred Kirk, Henry Holmes Belfield - Arithmetic - 1876 - 220 pages
...much will 8 boxes cost? 27. Paid 80c. for 4 quires of paper. How much should be paid for 9 quires? 28. If 6 men can do a piece of work in 15 days, in what time can 9 men do it? 29. How many men can do as much in 6 days as 5 men can in 12 days? 30.... | |
 | James Stewart Eaton - Arithmetic - 1877 - 182 pages
...6 men can do a piece of work in 10 days, how many men can do the same in 15 days ? In 5 days : 26. If 6 men can do a piece of work in 15 days, in how many days can 10 men do the same? 30 men? 27. How many barrels of pork, at 1 2 dollars a bar-^... | |
| |
Ib. at the same rate ? 7. A locomotive goes 3 miles in 4 minutes. How far does it go in an hour? 8. 4 horses can eat a certain quantity of hay in 10 months. How long will it last 20 horses? 9. 12 men can do a piece of work in 15 days. How long will 36... 
