 | Jeremiah Day - Algebra - 1814 - 304 pages
...What number is that, which ;s to J2 increased by three times the number, as 2 to 9 ? Ans. 8. Prob. 14. A ship and a boat are descending a river at the same time. The ship passes a certain fort, when the boat is 13 miles below. The ship descends five miles, while... | |
 | Jeremiah Day - Algebra - 1827 - 352 pages
...What number is that, which is to 12 increased by three times the number, as 2 to 9 ? Ans. 8. Prob. 14. A ship and a boat are descending a river at the same time. The ship passes a certain fort, when the boat is 13 miles below. The ship descends five miles, while... | |
 | Jeremiah Day - Algebra - 1831 - 358 pages
...certaiijjbrt, when the boat is 13 miles below. The ship descends five miles, while the boat descends three. At what distance below the fort will they be together ? .. Ans. 32j miles. Prob. 15. What number is that, a sixth part of which exceeds an eighth part of it by 20 ? Ans. 480.... | |
 | Jeremiah Day - Algebra - 1839 - 354 pages
...What number is that, which is to 12 increased by three times the number, as 2 to 9 ? Ans. 8. Prob. 14. A ship and a boat are descending a river at the same lime. The ship passes a certain fort, when the boat is 13 miles below. The ship descends five miles,... | |
 | James Bates Thomson - Algebra - 1844 - 272 pages
...number is that, which is to 12 increased by three times the number, as 2 to 9? ^ &• jT~ '"^ Prob. 14. A ship and a boat are descending a river at the same time. The ship passes a certain fort, when the boat is 13 miles below. The ship descends five miles, while... | |
 | Jeremiah Day - Algebra - 1847 - 358 pages
...What number is that, which is to 12 increased by three times the number, as 2 to 9 ? Ans. 8. Prob. 14. A ship and a boat are descending a river at the same time. The ship passes a certain fort, when the boat is 13 miles beltftv. The ship descends five mile?, while... | |
 | Jeremiah Day, James Bates Thomson - Algebra - 1848 - 264 pages
...13. What number is that, which is to 12 increased by three times the number, as 2 to 9 ? Prob. 14. A ship and a boat are descending a river at the same time. The ship passes a certain fort, when the boat is 13 miles below. The ship descends five miles, while... | |
 | Edward Olney - Algebra - 1874 - 228 pages
...3, and if twice B's age be added to A's, the sum will be 100 years. .Required the age of each. 14. A ship and a boat are descending a river at the same...distance below the fort will they be together ? Ans., 32£ miles. 15. A certain man found when he married, that his age was to that of his wife as 7 to 5.... | |
 | Edward Olney - Algebra - 1881 - 254 pages
...3, and if twice B's age be added to A's, the sum will be 100 years. .Required the age of each. 14. A ship and a boat are descending a river at the same...distance below the fort will they be together ? Ans., 32£ miles. 15. A certain man found when he married, that his age was to that of his wife as 7 to 5.... | |
 | Popular educator - 1860 - 424 pages
...12. What number is that which is to 12 increased by three times the nu nber, as 2 to 9 ? Ans. 8. 13. A ship and a boat are descending a river at the same time. The ship passée a certain fort, when the boat is 13 miles below. The «bip descends 6 miles, while... | |
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Prob. 14. A ship and a boat are descending a river at the same time. The ship passes a certain fort, when the boat is 13 miles below. The ship descends five miles, while the boat descends three. At what distance below the fort will they be together ?... 