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" 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 at the same rate of working ? If 402. "
An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic of - Σελίδα 101
των Silvestre François Lacroix - 1825 - 144 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

Mathematics: Compiled from the Best Authors and Intended to be the ..., Τόμος 1

1801 - 446 σελίδες
...will accomp1ish another piece*of work, 4 times as big, in a fifth part of the 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...

Mathematics: Compiled from the Best Authors, and Intended to be the ..., Τόμος 1

Samuel Webber - 1808 - 466 σελίδες
...will accomplish another piece of work, 4 times as big, in a filth part of the time ? Ans. 600. 41. A wall, that is to be built to the height of 27 feet,...many men must be employed to 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....

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

James Thompson - 1808 - 176 σελίδες
...18 days. 15. If a field will feed 6 cows 90 days, how long \vill it feed 20 cows! An-s. 27 days. 16. A 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...

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 ...: Composed for the Use of the Royal Military ...

Charles Hutton - 1811 - 406 σελίδες
...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 System of Arithmetic: Reprinted from the Mathematical Text-book

Samuel Webber - 1812 - 246 σελίδες
...Ans. 21. 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 to 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,...

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

Charles Hutton - 1812 - 620 σελίδες
...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...

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

1818 - 264 σελίδες
...manymen can accomplish another piece of work 4 times as large in, a fifth part of the time ? Ans. 600 23. A wall that is to be built to the height of 27 feet,...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...

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

Leonhard Euler - 1821 - 380 σελίδες
...men will accomplish another piece of work, 4 times as big, in a fifth part of the time ? Ans. 600. A wall that is to be built to the height of 27 feet,...many men must be employed to finish the wall in 4 days at the same rate of working ? Ans. 36. If |-oz. cost 4|E. what will loz. cost ? Ans. 11. 5s. 8d....

An Elementary Treatise on Arithmetic

Silvestre François Lacroix - 1821 - 160 σελίδες
...men will accomplish another piece of work, 4 times as big, in a fifth part of the time ? Ans. 600. A wall that is to be built to the height of 27 feet,...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...




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