 | John Bonnycastle - Algebra - 1829 - 372 pages
...common difference -, and the number of terms o 21 ; required the sum of thfi series. Ans. 140. 8. Ono hundred stones being placed on the ground, in a straight line, at the distance of a yard from each other ; how far will a person travel, who shall bring them one by one, to a basket,... | |
 | Peter Nicholson - Algebra - 1831 - 326 pages
...(«s) Find the sum of 20 terms of the series !2+22+3"4.4,8 + 52 + &c. Ans. 2870. (39) One thousand stones being placed on the ground in a straight line, at the distance of a yard from each other ; how far will a person travel, who brings them one by one to a basket placed... | |
 | Benjamin Peirce - Algebra - 1837 - 300 pages
...up to n terms. Ans. n (a -|- 1). 27. Find the sum of the even numbers from 2 to 100, Ans. 2550. 28. One hundred stones being placed on the ground, .in a straight line, at a distance of 2 yards from each other ; how far will a person travel, who shall bring them one by one... | |
 | Benjamin Peirce - Algebra - 1837 - 302 pages
...up to n terms. Ans. n (n -\- 1). 27. Find the sum of the even numbers from 2 to 100. .4ns. 2550. 28. One hundred stones being placed on the ground, in a straight line, at a distance of 2 yards from each other ; how far will a person travel, who shall bring them one by one... | |
 | John D. Williams - Algebra - 1840 - 634 pages
...140. Here the formula, Z=a+(w— l)d, becomes Z=2+(365— 1)2=2 +728=730, Ans. 6. One hundred apples being placed on the ground, in a straight line, at the distance of a yard from each other ; how far will a person travel, who shall bring them, one by one, to a basket... | |
 | John D. Williams - Algebra - 1840 - 216 pages
...Here the formula, l=a-\-(n— l)d, becomes fc=2+(365— 1)2=2 +728=730, Ans. 6. One hundred apples being placed on the ground, in a straight line, at the distance of a yard from each other ; how far will a person travel, who shall bring them, one by one, to a basket... | |
 | Davis Wasgatt Clark - 1844 - 394 pages
...yard from the first ball 1 Jlns. 5 miles and 1300 yards. 5. In gathering up a certain number of balls, placed on the ground in a straight line, at the distance of 2 yards from each other, the first being placed 2 yards from the box in which they were deposited, a man, starting from the... | |
 | Admiralty - 1845 - 152 pages
...arithmetical progression, that their sum may be 16, and the sum of tlieir squares 84. Ans. l, 3, 5, 7. 15. One hundred stones being placed on the ground in a straight line, at a distance of 2 yards from each other ; how far must a person go to put them one by one into a basket,... | |
 | Davis Wasgatt Clark - Algebra - 1846 - 374 pages
...yard from the first ball 1 Jlns. 5 miles and 1300 yards. 5. In gathering up a certain number of balls, placed on the ground in a straight line, at the distance of 2 yards from each other, the first being placed 2 yards from the box in which they were deposited, a man, starting from the... | |
 | Elias Loomis - Algebra - 1846 - 376 pages
...A Ex. 10. Find the sum of the even numbers 2, 4, 6, 8, &c., up to n terms. Ans'. n(n + l). Ex. 11. One hundred stones being placed on the ground in a straight line, at the distance of two yards from each other; how far will a person travel who shall bring them one by one to a basket... | |
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One hundred stones being placed on the ground, in a straight line, at the distance of a yard from each other, how far will a person travel who shall bring them one by one to a basket, which is placed one yard from the first Stone ? Ans. 
