 | Michael Walsh - 1831 - 348 pages
...working with it as the true one, you find the real number required, by the following RULE. As the total of the errors is to the given sum, so is the supposed...one required. PROOF. Add the several parts of the result together, and if it agrees with the given sum it is right. EXAMPLES. 1 . A schoolmaster, being... | |
 | Francis Walkingame - 1833 - 204 pages
...find the real number required^ RULE. As the result from the supposition, is to the true result • so is the supposed number, to the true one required. PRO'OF. Add the several parts together, according to the conditions of the question. ( 1 ) A schoolmaster being asked how many scholars... | |
 | Michael Walsh - Arithmetic - 1838 - 346 pages
...working with it as the true one, you find the real number required, by the following RULE. As the total of the errors is to the given sum, so is the supposed...one required. PROOF. Add the several parts of the result together, and if it agrees with the given sum it is right. EXAMPLES. 1. A schoolmaster, being... | |
 | Nathan Daboll - 1839 - 220 pages
...operations with it as are described to be performed in the question. 2. Then as the result of the operation is to the given sum, so is the supposed number to the true one required. EXAMPLES. I. A schoolmaster being asked how many scholars he had, replied : If I had as many more as... | |
 | John M'Nevin - Arithmetic - 1841 - 300 pages
...using supposed' numbers according to- the conditions of the question, the answer is obtained. RULE. — As the sum of the errors is to the given sum,, so...required. PROOF. — Add the several parts of the result together, and if it agrees with the given sum it is right. 1 . A person, after spending £ and... | |
 | Arithmetic - 1841 - 200 pages
...and perform the same operations with it as are described to be performed in the question. Then (s) say as the sum of the errors is to the given sum,...so is the supposed number to the true one required. Proo/.^(6) Add the several parts of the sum together, and if it agree with the sum, it ia right. Questions.... | |
 | John M'Nevin - Arithmetic - 1841 - 300 pages
...using supposed numbers according to the conditions of the question, the answer is obtained. RULE.—As the sum of the errors is to the given sum, so is the supposed number to the true one required. PROOF.—Add the several parts of the result together, and if it agrees with the given sum it is right.... | |
 | Nathan Daboll - Arithmetic - 1843 - 254 pages
...operations v?ith it as are described to be performed in the question. 2. Then as the result of the operation is to the given sum, so is the supposed number to the true one required. EXAMPLES. 1. A schoolmaster being asked how many scholars he had, replied : If I had as many more as... | |
 | Charles WATERHOUSE - Arithmetic - 1844 - 228 pages
...number, performing with it the same operations as are described to be performed by the question. Then say, as the sum of the errors is to the given sum, so is the supposed •umber to the answer. Demonstration. — The rule is founded on proportion ; hence the reason is... | |
 | Charles Haynes Haswell - Engineering - 1844 - 298 pages
...— Take any number, and proceed with it as though it were the correct one ; then say, as the result is to the given sum, so is the supposed number to the number required. EXAMPLE. — A commander of a vessel, after sending away in boats £, 3, and 4 of... | |
| |
RULE. 1 . Take any number and perform the same operations with it as are described to be performed in the question. 2. Then say as the sum of the errors is to the given sum, so is the supposed number to the true one required.* , PROOF. Add the several... 
