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A wall to be built to the height of 27 feet, was raised to the height of 9 feet by 12 men in 6 days : how many men must be employed to finish the wall in 4 days at the same ttttt- of working 1 31.
Arithmetic, for use in schools - Σελίδα 169
των John Barter (of the science and art coll, Plymouth.) - 1877
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## Mathematics: Compiled from the Best Authors and Intended to be the ..., Τόμος 1

Samuel Webber - 1801
...time ? Ans. 600. 41. A wall, that is to be built to the height of 27 feet, was raised 9 feet by 1 2 men in 6 days : how many men must be employed to finish the wall in 4 days at the same rate of working ? Ans. 36. 42. If 4OZ- cost iiI. what will 10z. cost ? Ans. il. 5s. 8d. 43. If —• of a ship cost...

## Mathematics, Τόμος 1

Samuel Webber - 1808
...of the time ? Ans. 600. 41. A wall, that is to be built to the height of 27 feet, was raised 9 feet by 12 men in 6 days ; how many men must be employed...finish the wall in 4 days at the same rate of working? Ans. 36. 42. If 40z. cost ||l. what will loz. cost ? Ans. ll. 5s. 8d. 43. If T'j of a ship cost 2731....

## The American Tutor's Guide: Being a Compendium of Arithmetic. In Six Parts ...

James Thompson - 1808 - 172 σελίδες
...wall that is to be built to the height of 27 feet, was raised 9 feet high by 12 men in б days ; then how many men must be employed to finish the wall in 4 days, at the same rate of working ? Ans. 36 inen. 17. Wanting just an acre of land cut off from a piece which is 13A poles in breadth,...

## A New and Complete System of Arithmetick: Composed for the Use of the ...

Nicolas Pike - 1808 - 480 σελίδες
...? Ans. 7 months. 11. A wall, which was to be built 24 feet high, was raised 8 feet by 6 men, in 12 days : How many men must be employed to finish the wall in four days ? ft. in, !tm As 8 : 6 :: 24 — 8 : 12 to finish it in 12 days. And, dmdm As 12 : 12 ::...

## A Course of Mathematics ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811
...wall that is to be built to the height of 36 feet, was raised 9 feet high by 16 men in 6 days; then how many men must be employed to finish the wall in 4 days, at the same rate of working ? Ans. 72 men. 37. What will be the charge of keeping 20 horses for a year, at the rate of 1 4-Jrf...

## A System of Arithmetic: Reprinted from the Mathematical Text-book

Samuel Webber - 1812 - 248 σελίδες
...5s. lid. 1-jWq. 8. A wall, to be built to the height of 27 feet, was raised to the height of 9 feet by 12 men in 6 days; how many men must be employed...finish the wall in 4 days, at the same rate of working ?Ans. 36 men. 9. If a regiment of soldiers, consisting of 939 men, can eat up 351 quarters of wheat...

## A Course of Mathematics: For the Use of Academies as Well as ..., Τόμος 1

Charles Hutton - 1812
...wall that is to be built to the height of 36 feet, was raised 9 feet high by 16 men in 6 days ; then how many men must be employed to finish the wall in 4 days, at the same rate of working ? Ans. 72 men. 37. What will be the .charge of keeping 20 horses for a year, at the rate of 14£d per...

## Logarithmick Arithmetick: Containing a New and Correct Table of Logarithms ...

1818 - 251 σελίδες
...part of the time ? Ans. 600 23. A wall that is to be built to the height of 27 feet, was raised 9 feet by 12 men in 6 days, how many men must be employed to finish the wall in 4 days, working at the same rate ? Ans. 36 24. If a stick' I feet long, cast a shadow on level ground 12 *...

## An Introduction to the Elements of Algebra: Designed for the Use of Those ...

Leonhard Euler - 1821 - 216 σελίδες
...5a. J Id. 1T7/Tq. A wall, to be built to the height of 27 feet, was raised to the height of 9 feet by 12 men in 6 days ; how many men must be employed...finish the wall in 4 days, at the same rate of working ? *4n\$. 36 men. If a regiment of soldiers, consisting of 939 men, consume 351 quarters of wheat in...

## An Elementary Treatise on Arithmetic

Silvestre François Lacroix - 1821 - 127 σελίδες
...part of the time ? Ans. 600. A wall that is to be built to the height of 27 feet, was raised 9 feet by 12 men in 6 days ; how many men must be employed to finish tin; wall in 4 days at the same rate of working.? Ans. 36. If |oz. cost -}-£-' what will loz. cost...