| Warren Colburn - Arithmetic - 1825 - 172 pages
...travel different ways ; one travels two miles in an hour; the other travels three miles in an hourfc **how far apart will they be at the end of one hour** 1 How far at the end of two hours 1 How far at the end of three hours ? How far at the end of four... | |
| Warren Colburn - Mathematics - 1828 - 160 pages
...place and travel different ways ; one travels two miles in an hour ; the other travels three miles in **an hour ; how far apart will they be at the end of one hour** ? How fur at the end of two hours ? How far at the end of three hours 1 How far at the end of four... | |
| Warren Colburn - Mental arithmetic - 1829 - 172 pages
...palace and travel different ways ; one travel* tavo miles in an hour ; the other travels three miles in **an hour ; how far apart will they be at the end of one** houi ? How far at the end of two hours 1 How far at the end of three hours ? How far at the end of... | |
| Seth Davis - 1830
...from the same place, and travel different ways ; one travels two miles an hour, and the other three : **How far apart will they be at the end of one hour** ? How far at the end of two hours ? Of three hours ? How far at the end of four hours ?... | |
| Benjamin Greenleaf - Mental arithmetic - 1846 - 72 pages
...Lowell, and travel the same way ; A travels at the rate of 4 miles an hour, and В at the rate of 9 **miles an hour ; how far apart will they be at the end of one hour** ? How far at the end of 2 hours? 4 hours? 6 hours? 7 'hours ? 10. Six less two are how many? 11. Five... | |
| Warren Colburn - Mental arithmetic - 1847 - 160 pages
...place and travel different ways ; one travels two miles in an hour ; the other travels three miles in **an hour ; how far apart will they be at the end of one hour** ? How far at the end of two hours 1 How far,at the end of three hours 1 How far at the end of four... | |
| John Fair Stoddard - Mental arithmetic - 1849 - 164 pages
...men are 50 miles apart, and approach each other;one at the rate of 2 miles an hour, the other 3 **miles an hour; how far apart will they be at the end of** 5 hours ? 65. A man earned 80 cents a day, and paid 50 cents a day for his board and washing; how much... | |
| Warren Colburn - Mental arithmetic - 1849 - 160 pages
...place and travel different ways ; one travels two miles in an hour; the other travels three miles in **an hour; how far apart will they be at the end of one** hoar 1 How far at the end of two hours ? How far at the end of three hours 1 How far at the end of... | |
| James L. Enos - Mental arithmetic - 1851 - 144 pages
...same place and travel different ways ; one at the rate of 3 miles in an hour, and the other 5 miles in **an hour ; how far apart will they be at the end of** the first hour ? How far at the end of 2 hours ? 4 hours ? 5 hours ? 8 hours ? 9 hours ? 75. A boy... | |
| Benjamin Greenleaf - Mental arithmetic - 1854 - 144 pages
...travel in opposite directions, one at the rate of 4£ miles an hour, and the other at the rate of 6J **miles an hour ; how far apart will they be at the end of** 1 hour ? How far in 4 hours ? 6 hours ? 10 hours ? 14. Three men hired a pasture for 60 dollars. A... | |
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