 | Charles Vyse - Arithmetic - 1785 - 350 pages
...Ratio of 1^. What is the Share of the eldeft? PROPOSITION III. When the firft Term, Ratio, and Number of Terms, are given, to find the Sum of all the Terms. RULE. Find the laft Term as before, from which take the firft, divide the Remainder by the Ratio, lefs one, and to... | |
 | Michael Walsh - Arithmetic - 1807 - 290 pages
...more ; what was the eldest son's portion ? Ans. .€.25600. The first term, ratio, and number of terms given, to find the sum of all the terms. RULE. Find the last term as before, then subtract the first from it, and divide the remainder by the ratio less one, to the product of... | |
 | Charles Vyse - Arithmetic - 1815 - 340 pages
...ratio of I|. What is the share of the eldest ? PROPOSITION IIL When the first term, ratio, and number of terms are given, to find the sum of all the terms....term ; which gives the sum required. EXAMPLES. (5) On New-year's day a gentleman married, and received of his father-in-law a guinea, on condition that he... | |
 | Roswell Chamberlain Smith - Arithmetic - 1827 - 216 pages
...pay for them ? A. $ 171798691,^4 eta. CASE II. — When the first term, ratio, and number of terras are given to find the sum of all the terms. RULE. — Find the last term by the two former cases, then multiply by the ratio, from the product, subtract the first term, then... | |
 | Michael Walsh - Arithmetic - 1828 - 318 pages
...more ; what was the eldest son'* portion I Ans. £25600. The first term, ratio, and numl.T of terms given, to find the sum of all the terms. RULE. Find the last term as before, then subtract the first from it. and divide the remainder by the ratio less one, to the quotient of... | |
 | Daniel Adams - Arithmetic - 1828 - 286 pages
...cts. X 100 = 15250 cts. = > AM. $152'50, whole cost. ' ) . Hence, when the. extremes and the number of terms are given, to find the sum of all the terms, — Multiply £ the sum of the extremes by the number of terms, and the product will be the answer.... | |
 | Roswell Chamberlain Smith - Arithmetic - 1829 - 284 pages
...yard he guve 24 cents ; what was the amount of the whole ? . Hence, when the extremes, and the number of terms are given, to find the sum of all the terms ; — Multiply J the sum of the extremes by the number of terms, and the product will be the answer.... | |
 | Daniel Adams - Arithmetic - 1830 - 280 pages
...152£ cts. X 100 = 15250 cts. = > Am. $152'50, whole cost. ^ Hence, when the extremes and the number of terms are given, to find the sum of all the terms,- — Multiply £ the sum of the extremes by the number of terms, and the product will be the answer.... | |
 | Roswell Chamberlain Smith - Arithmetic - 1830 - 286 pages
...yard he gave 2i cents ; what was l!ie amount of the whole ? Hence, when the extremes, and the number of terms are given, to find the sum of all the terms ;— Multiply 4 the sum of the extremes by the number of terms, and the product will be the answer.... | |
 | Daniel Adams - Arithmetic - 1830 - 294 pages
...152^ cts. X 100 = 15250 cts. = > Ans, 8152'50, whole cost. , ) Hence, when the extremes and the number of terms are given, to find the sum of all the terms, — Multiply £ th'e sum of the extremes by the number of terms, and the product will be the answer.... | |
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Hence, when the extremes and the number of terms are given, to find the sum of all the terms,- — Multiply £ the sum of the extremes by the number of terms, and the product will be the answer. 
