 If two men start from the same place, and travel in opposite directions, the one travelling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how far apart will they be at the end of 5 hours ? 11.  A Mental Arithmetic, Upon the Inductive Plan - Page 28by Benjamin Greenleaf - 1860 - 156 pagesFull view - About this book
 | Warren Colburn - Mental arithmetic - 1828 - 190 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... | |
 | Benjamin Greenleaf - Mental arithmetic - 1846 - 92 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?... | |
 | Warren Colburn - Arithmetic - 1847 - 170 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... | |
 | Daniel Adams - Arithmetic - 1848 - 194 pages
...Two men start from Buffalo, at the same time, and travel east, one at the rate of 7 miles an hour, the other at the rate of 4 miles an hour ; how far apart will they he in one hour ? — in 10 hours ? — in 6 days, if they travel 10 hours each day ? 43. Seven boys... | |
 | Nelson M. Holbrook - Arithmetic - 1849 - 116 pages
...4 hours ? 10 hours ? Why ? 4. If two men start from the same place, and travel the same way, one at the rate of 3 miles an hour, and the other at the rate of 5 miles an hour, how far apart will they be at the end of 1 hour ? At the end of 3 hpurs ? 5 hours... | |
 | John Fair Stoddard - Mental arithmetic - 1849 - 176 pages
...start from the same place, and travel the same way ;—one at the rate of 3 miles an hour, the other 8 miles an hour; how far apart will they be at the end of 8 hours? 63. Two men are 50 miles apart, and approach each other;—one at the rate of 2 miles an hour,... | |
 | Warren Colburn - Arithmetic - 1849 - 166 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 ? How far at the end of three hours ? How far at the end... | |
 | James L. Enos - Mental arithmetic - 1851 - 156 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... | |
 | Charles Davies - Arithmetic - 1856 - 450 pages
...same point, one sails due north at the rate of 10 miles an hour, the other due west at the rate of 14 miles an hour: how far apart will they be at the end of 2 days, supposing the surface of the earth to be a plane ? 12. How much more will it cost to fence... | |
 | Benjamin Greenleaf - Mental arithmetic - 1857 - 162 pages
...travel in opposite directions, one at the rate of 4£ miles an hour, and the other at the rate of 6} 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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