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 Βιβλία Βιβλία 1 - 10 από 44 για A wall to be built to the height of 27 feet, was raised to the height of 9 feet by....
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.
An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic ... - Σελίδα 114
των Silvestre François Lacroix - 1825 - 144 σελίδες
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## An Essay on Mathematical Language: Or, An Introduction to the Mathematical ...

Giovanni Alberto Baselli - 1787 - 440 σελίδες
...or i Ib. 4oz. x 66 £>tteß. VI. A wall, which was to be built to the height of 27 feet, was railed to the height of 9 feet by 12 men in 6 days; how many men muft be employed to finifli the wall in 4 days, at the fame rate oft working I Prop. 12x6 : 9 :: ?x4...

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

Samuel Webber - 1801
...be 2!. ios. 6d. what will be the carriage of 7cwt. 3qrs., for 112 miles ? Ans. al. 5s, i id. i-Vsl8. A wall, to be built to the height of 27 feet, was raised to the height of 9 feet by 1 2 men in 6 days ; howmany men must be employed to finish the wall in 4 days, at the same rate of...

## 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 per day...

## 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 day...

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

1818 - 251 σελίδες
...fifth 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
...21. 10s. 6d. what will be the transportation of 7cwt. 3qrs. 112 miles ? Ans. 21. 5a. J Id. 1T7/Tq. A wall, to be built to the height of 27 feet, was...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...

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

Charles Hutton - 1822
...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 72 men. 37. What will be the charge of keeping 20 horses for a year, at the Ate of 14yd per day...

## Conversations on Arithmetic, with Demonstrations to Each Rule

Leonard Pierce - 1823 - 156 σελίδες
...say that is 3 qrs. wide ? Ans. 12. 21. A wall, that is to be built to the height of 27 ft. was raised 9 feet by 12 men in 6 days ; how many men must he employed to finish the wall in 4 days, at the same rate of working? Ans. 36. 22. If, when the days...

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

1825 - 144 σελίδες
...fifth part of 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....