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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 ruts.- of working 1 31. "
The Arithmetical Manual - Σελίδα 128
των Samuel Read Hall - 1832 - 288 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

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

Nicolas Pike - 1808 - 470 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: For the Use of Academies as Well as Private Tuition

Charles Hutton - 1812 - 620 σελίδες
...35. What is the half year's rent of 547 acres of land, at 15* 6d the acre ? Ans. 21 \l 19s 3d. 36. A 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....

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

1818 - 264 σελίδες
...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 *...

A Course of Mathematics: In Two Volumes. For the Use of Academies ..., Τόμος 1

Charles Hutton - 1818 - 646 σελίδες
...35. What is the half year's rent of 547 acres of land, at 15»6d the acre ? Ans. 2il/ 19« 3d. 36. A wall that is to be built to the height of 36 feet, wai raised 9 feet high by 16 men in 6 days ; then how many men must be employed to finish the wall...

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

Leonhard Euler - 1821 - 380 σελίδες
...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 to 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 - 160 σελίδες
...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...

A Course of Mathematics: For the Use of Academies, as Well as Private ...

Charles Hutton - 1822 - 616 σελίδες
...35. What is the half year's rent of 647 acres of land, at 15s 6d the acre * Ans. 21 \l 19» 3d. 36. A 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 ? AIM...

An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic of

Silvestre François Lacroix - 1825 - 404 σελίδες
...the time ? Ans. 60O. 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 clays at the same rate of working ? Ans. 36. If -£oz. cost TJ-/. what will loz. cost? Ans. 1I. 5s....

The Youth's Assistant in Theoretick and Practical Arithmetic

Zadock Thompson - 1826 - 176 σελίδες
...Examples. 1. A wall which is 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 da>s ? 27—9=18 By taking 9 from 27, we find the wall is to be raised 18 feet higher, and it is required...

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

Charles Hutton - 1831 - 632 σελίδες
...35. What is the half year's rent of 547 acres of land, at 15s 6d the acre ? Ans. 21 II 19s 3d. 36. A wall that is to be built to the height of 36 feet, was raised 9 feet high by 16 men in 6 dnys ; then how many men must be employed to finish the wall in 4 days, at the same rate of working...




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