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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. "
An Elementary Treatise on Arithmetic: Taken Principally from the Arithmetic ... - Σελίδα 114
των Silvestre François Lacroix - 1825 - 144 σελίδες
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The Youth's Assistant in Theoretick and Practical Arithmetic

Zadock Thompson - 1826 - 176 σελίδες
...product of the first terms, and the quotient will be the answer required. , Examples. 1. A wall which is to be built to the height of 27 feet, was raised to...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...

The Arithmetical Manual

Samuel Read Hall - 1832 - 294 σελίδες
...months ; how much will serve a family of 24 persons 16 months? Ans. $640. 12. A wall to be built at the height of 27 feet, was raised to the height of...finish the wall in 4 days, at the same rate of working 1 Ans. 36. 13. If a man travel 130 miles in 3 days, when the days are 12 hours long; in how many days...

The Tutor's Assistant: Being a Compendium of Arithmetic and a Complete ...

Francis Walkingame - 1832 - 224 σελίδες
...large, in a fifth part of the time ? 13. 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 em ployed to finish the wail in 1 days, at the same rate of working ? 14. If I pay for 60 eggs, ^d....

Arithmetic Simplified in Three Parts

Catharine Esther Beecher - 1833 - 296 σελίδες
...£2. 10s. 6d., what will be the carriage of 7 cwt. 3 qrs. for 112 miles ? Ans. £2 5s. l1d. lry? q. 8. A wall, to be built to the height of 27 feet, was raised to the height of 9 ft. by 12 men in 6 days ; how many men must be employed to finish the wall in 4 days at the same rate...

The North American Arithmetic: Part Third, for Advanced Scholars, Τόμος 3

Frederick Emerson - 1834 - 300 σελίδες
...the result by the product of the first terms; the quotient will be the fourth term, or answer. 41. A wall to be built to the height of 27 feet, was raised...in 6 days; how many men must be employed to finish it in 4 days ? 27 ~ 12 men is the third term, because the answer is to be in men. I12 : A 9 : 18 4...

The North American Arithmetic: Part Third, for Advanced Scholars

Frederick Emerson - 1835 - 300 σελίδες
...the result by the product of t!ic first terms; the quotient will be the fourth term, or ansuier. 41. A wall to be built to the height of 27 feet, was raised...12 men in 6 days; how many men must be employed to fmish it in 4 days ? 12 men is the third term, because the answer is to be in men. In stating the different...

A New Introduction to the Science of Algebra ...

Silas Totten - 1836 - 332 σελίδες
...square foot ? Ans. 18^. 7. A wall that is to be built to the height of 36 feet, was raised 9 feet by 16 men in 6 days ; how many men must be employed to finish it in 4 days at the same rate of working ? • Ans. 72. 8. The circumference of the earth is about...

The North American Arithmetic: For Advanced Scholars. part third

Frederick Emerson - 1839 - 300 σελίδες
...first terms; the quotient will be the fourth term, or answer. 41. A wall to be built to the he'pght of 27 feet, was raised to the height of 9 feet by...in 6 days; how many men must be employed to finish it in 4 days ? 27 „ 12 men is the third term, because the answer is to be in men. ) t =1 ) 9 : 18...

The North American Arithmetic: Part Third, for Advanced Scholars

Frederick Emerson - 1839 - 300 σελίδες
...the result by the product of the first terms; the quotient will be the fourth term, or answer. 41. A wall to be built to the height of 27 feet, was raised to the height ot' 9 feet by 12 men in 6 days; how many men must be employed to finish it in 4 days ? 27 „ 12 men...

The National Arithmetic, on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1839 - 356 σελίδες
...it ? Ans. -, i days. 53. A wall which was to be built 32 feet high, was raised 8 feet by 6 men in 12 days ; how many men must be employed to finish the wall in 6 days ? Ans. 36 men. 54. A can build a boat in 20 days, but with the assistance of C, he can do it...




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