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Having given the first term, the common difference, and the number of terms, to find the last term.
Scribner's Engineers' and Mechanics' Companion: Comprising United States ... - Page 11
by J. M. Scribner - 1849 - 264 pages

## The American Philosophical Arithmetic: Designed for the Use of Advanced ...

John Fair Stoddard - Arithmetic - 1856 - 312 pages
...however, notice but few of them, and refer the student to Algebra for the others. CASE I. ART. 223. Given the first term, the common difference, and the number of terms, to find the last term. 1. What is the 25th term of an arithmetical progression, the first term of which is 6 and the common...

## A New System of Arithmetic, on an Improved Plan, Embracing the Rules of ...

Charles Guilford Burnham - 1857 - 342 pages
...Therefore, Arti 237 • — When the first term, the number of terms, and common difference are given, to find the last term : RULE. Multiply the number of terms, less 1, by the common difference, and to the product add the first term, and the sum will be the last term....

## Burnham's Arithmetic, Revised: A New System of Arithmetic, on an Improved ...

Charles Guilford Burnham - Arithmetic - 1857 - 328 pages
...Therefore, Art* 287 »- — When the first term, the number of terms, and common difference are given, to find the last term : RULE. Multiply the number of terms, less 1, by the common difference, and to the -product add the first term, and the sum ivill be the last...

## A Key Containing the Statements and Solutions of Questions in Prof. Charles ...

Charles Davies - Algebra - 1859 - 130 pages
...that ho must travel four yards hi addition for each additional stone which he brings. Hence, we have the first term, the common difference, and the number of terms, to find the sum of the series. • First, to find the last term. We have, I = a + (n — l)r. Making a = 4, n =...

## Walkingame's Arithmetic Simplified ...

Francis Walkinghame - 1859 - 200 pages
...Ans. 6. VI. The first term, the number of terms, and the common difference given to find the last. RULE. Multiply the number of terms, less one, by the common difference, to which product add the first term. /, я, d, are given to find /. я,— 1 xd,+n,=l. 16. What is...

## Davies' University Arithmetic: Embracing the Answers, and a Full Analysis ...

Charles Davies - Arithmetic - 1861 - 496 pages
...common difference ; 4th, The number of terms ; 5th, The sum of all the terms. CASE I. 395. Having given the first term, the common difference, and the number of terms, to find the last term. 1. The first term of an increasing progression is 4, the common difference 3, and the number of terms...

## Practical Arithmetic: Embracing the Science and Applications of Numbers

Charles Davies - Arithmetic - 1863 - 346 pages
...three of these parts are known or given, the re* raaining ones can be determined. CASE I. 378. Knowing the first term, the common difference, and the number of terms, to find the last term. 1. The first term is 3, the common difference 2, and the number of terms 19 : what is the last term...

## Practical Arithmetic, Embracing the Science of Numbers and the Art of ...

John Fair Stoddard - Arithmetic - 1868 - 356 pages
..." s. NOTE. — Half the sum of any two numbers is called their Ariffiinetical Mean. 444* Given t7ie first term, the common difference, and the number of terms, to find the last term, 1. The first term of an ascending series is 8, the common difference 5, and tho number of terms 40...