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" PROBLEM II. The first term, the last term, and the number of terms given, to find the common difference. RULE. — Divide the difference of the extremes by the number of terms less 1 , and the quotient will be the common diffcrenct. "
The Youth's Assistant in Theoretic and Practical Arithmetic: Designed for ... - Page 118
by Zadock Thompson - 1838 - 164 pages
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Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - Arithmetic - 1837 - 316 pages
...then, 25 ~5 = ¿years, the common difference. Л. 5 years Hence, Toßnd the Common Difference ; — Divide the difference of the extremes by the number...terms, less 1 , and the quotient will be the common. аЖлеокА, S. Ifthe extremes bo 3 and 23, uncHYm narnb« oï\»TO» \\,чй»»Л»'*» "»»•...
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Daboll's Schoolmaster's Assistant: Improved and Enl. ...

Nathan Daboll - Arithmetic - 1837 - 240 pages
...returning Tvitb them one by one to the basket ? Ans. 23 mili-.s, б furlongs, 180yds. PROBLEM II. The first term, the last term, and the number of terms given, to find the common difference. RULE. EXAMPLES. 1. The extremes are 3 and 29, and the number of terms 14, what is the common difference ?...
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A Practical and Theoretical System of Arithmetic: Containing a New System of ...

George Willson - Arithmetic - 1838 - 194 pages
...a side ? I" 175 in the last row. Ans. .} 7744 in all. L 88 bricks on a side. PROBLEM III.: — The first term, the last term, and the number of terms...1, and the quotient will be the common difference. 6. In a school there are 8 scholars, whose .ages differ alike ; the youngest is 4 years old, and the...
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A Practical and Theoretical System of Arithmetic: Containing Several New ...

George Willson - Arithmetic - 1838 - 192 pages
...on a side ? (" 175 in the last row. Ans. 1 7744 in all. ! 88 bricks on a side. PROBLEM III. — The first term, the last term, and the number of terms..., and the quotient will be the common difference. 6. In a school there are 8 scholars, whose ages differ alike ; the youngest is 4 years old, and the...
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Complete Schoolmaster's Assistant: Being a Plain Comprehensive System of ...

Nathan Daboll - 1839
...travel the last day T Ans. 33 miles.. The fast term, last term, and number of terms given, tofind tht common difference. RULE. Divide the difference of...1, and the quotient will be the common difference. EXAMPLES. 1. A man bought 17 yards of cloth in arithmetical progression. For the first yard he gave...
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A manual of arithmetic

George Hutton (arithmetic master, King's coll. sch.) - 1844
...-:- 7 = 3, the common difference; and the whole series 3 : 6 : 9 : 12 : 15: 18 : 21: 24. Hence the RULE. Divide the difference of the extremes by the...and the quotient will be the " common difference, or ratio of the progression. EXAMPLES FOR PRACTICE. 1. The first term of an arithmetical progression...
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Daboll's Schoolmaster's Assistant: Improved and Enlarged : Being a Plain ...

Nathan Daboll - Arithmetic - 1844 - 254 pages
...first term, the last term, and the number of terms given, to find the common difference. ROLE. — Divide the difference of the extremes by the number of terms less 1 . and the (lnotirn* will he the common diffetonoe. i EXAMPLES. 1. The extremes are 3 and 29, and the number of...
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Elementary and practical Arithmetic on the inductive system, by analysis and ...

Charles WATERHOUSE - Arithmetic - 1844 - 228 pages
...first term, last term, and number of terms, to find tiie common difference ; or sum of all the terms. RULE. — Divide the difference of the extremes by the number of terms less 1, the quotient will be the difference. Multiply the sum of the extremes by the number of terms, and half...
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Elements of Arithmetic: For Schools and Academies. In which Decimal and ...

Pliny Earle Chase - Arithmetic - 1844 - 248 pages
...Then the difference of the extremes 24, must be 8 times the common difference, which is therefore 3. RULE. Divide the difference of the extremes by the number of terms less one, and the quotient will be the common difference. This difference repeatedly added to the less,...
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The Elements of Arithmetic ... in which Decimal and Integral Arithmetic are ...

Pliny Earle Chase - 1844 - 258 pages
...Then the difference of the extremes 24, must be 8 times the common difference, which is therefore 3. RULE. Divide the difference of the extremes by the number of terms less one, and the quotient will be the common difference. This difference repeatedly added to the less,...
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