 | Benjamin Martin - Science - 1765 - 202 pages
...Velocity be greater than that of the Eye ; or backwards, if lefs. Thus if two Ships A and B failed both the fame Way, A at the Rate of 3 Miles an Hour,...are in feems quite at Reft. 10. If (in the 3d Place) the Eye and Object both move, but in contrary Directions, or meet each other, then the Object would... | |
 | Benjamin Greenleaf - Arithmetic - 1857 - 452 pages
...third. 3. There is a certain island 30 miles in circumference. If A and B commence travelling round it, A at the rate of 3 miles an hour, and B at the rate of 5 miles an hour, how far apart will they be at the end of 30 hours ? '.£ - ^.. 4. Having... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 472 pages
...third. 3. There is a certain island 30 miles in circumference. If A and B commence travelling round it, A at the rate of 3 miles an hour, and B at the rate of 5 miles an hour, how far apart will they be at, the end of 30 hours ? 4. Having money to... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 458 pages
...third. 3. There is a certain island 30 miles in circumference. If A and B commence travelling round it, A at the rate of 3 miles an hour, and B at the rate of 5 miles an hour, how far apart will they be at the end of 30 hours ? 4. Having money to... | |
 | Horatio Nelson Robinson - Algebra - 1864 - 444 pages
...days ; B, 22 days ; G, 33 days. 46. A and B start from opposite points and travel toward each other, A at the rate of 3 miles an hour, and B at the rate of 4 miles an hour. At the same time, C sets out with A and travels at the rate of 5 miles... | |
 | Albert Newton Raub - Arithmetic - 1894 - 174 pages
...to have 60 cents together ? 43. A and B start at the same point and travel in opposite directions. A at the rate of 3 miles an hour and B at the rate of 5 miles an hour ; how far apart are they at the end of 5 hours? At the end of 6 hours?... | |
| |
... bins 755 bushels of grain; there being in the first 125 bushels, and in the second 96 bushels, more than in the third ; how many bushels in the second and third ? Ans. 363 in the second, 267 in the third. 3. There is a certain island 30 miles in circumference.... 