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J the middle term. A. \$853^. 74. If 12 men do a piece of work in 12£ days, how many men will do the same in GJ days ? A.
Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ... - Σελίδα 172
των Roswell Chamberlain Smith - 1833 - 268 σελίδες
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## The Young Arithmetician and Algebraist's Companion: In Two Parts. The First ...

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...in direct Proportion, it will be needlefs to fay any thing more of it. EXAMPLES. Queßion i ft. If 8 Men do a Piece of Work in 12 Days, how many Men muft there be to do the fame in 6 Days? Sofiaer, 16 Men. D. :M.:D. For if 12 : 8 : 6 12 6)96(16 Men...

## Practical and Mental Arithmetic on a New Plan: In which Mental ..., Βιβλίο 2

Roswell Chamberlain Smith - 1829 - 268 σελίδες
...lend me sо much as ¡ lend Aim, because /am to keep the money longer than he ; therefore^ make -j the middle term. A. \$853\$. 74. If 12 men do a piece of work in 13.J days, how many men will do the same in 6J days ? A. 24 men. Ratio, 2. 75. A merchant, owning §...

## Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - 1832 - 284 σελίδες
...lend him, betaute lam to kttpth; money longer than he ; therefore, make \$ tie middle term. A. \$653}. 74. If 12 men do a piece of work in 12| days, how many men will do the same in 0 J days ? A. 24 men. Ratio, 2. 75. A merchant, owning \$ of a vessel, sells £ of his share for \$500...

## Practical and Mental Arithmetic, on a New Plan, in which Mental Arithmetic ...

Roswell Chamberlain Smith - 1836 - 284 σελίδες
...lend me } of a year to requite the favor ? He ought not to lend me so much as I lend him, because I am to keep the money longer than he ; therefore, make...term. A- \$853\$. 74. If 12 men do a piece of work in I2¿ days, how many men will do the same in 6J days ? Л. 24 men. Ratio, 2. 75. A merchant, owning...

## Practical and Mental Arithmetic, on a New Plan, in which Mental Arithmetic ...

...to lend me so much as I lend him, hecause I am to keep tha money longer than ho ; therefore, make f the middle term. A. \$853^ . 74. If 12 men do a piece...days, how many men will do the same in 6J days ? A. 24 men. Ratio, 2. 75. A merchant, owning § of a vessel, sells ^ of his share for \$500 ; what was the...

## Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - 1837 - 284 σελίδες
...I lend him, because I urn to keep the money longer than he ; therefore, make f the middle term, Л. \$853¿. 74. If 12 men do a piece of work in 12^ days, how many men will do the same in (ij days ? A. 24 men. Ratio, 2. 75. A merchant, owning § of a vessel, sells f- of his share for \$500;...

## The Common School Arithmetic ...: To which is Added a Dictionary of ...

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...one by multiplication, we divide th« answer to obtain the other relative number. Ex. If 100 men can do a piece of work in 12 days ; how many men will it take to do it in 3 days ? Ans. 400 SOLUTION' ILLUSTRATION. 100 12 days is the time that 100 men...

## Arithmetic on the Productive System: Accompanied by a Key and ..., Βιβλίο 3

Roswell Chamberlain Smith - 1841 - 311 σελίδες
...yds. wide will make a cloak, ho'"' many yds. J of a yd. wide will make the same cloak? A. 10yds. 19. If 12 men do a piece of work in 12} days, how many men will do the same in 6j days ? A. 24 men. 20. A merchant owning f of a vessel, sells f of his share for \$500 ; what was the whole vessel...

## Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - 1841 - 284 σελίδες
...favor ? He ought not to lend me so much as I lend him, because I am to keep :ae money longer tlian ho j therefore, make | the middle term. A. \$853^. 74. If 12 men do a piece of work in 12£ days, how many me» will do the same in lij days ? A. st ', men. Ratio, 2. 75. A merchant, owaing § of a vessel,...

## Practical and Mental Arithmetic on a New Plan: In which Mental Arithmetic is ...

Roswell Chamberlain Smith - 1843 - 284 σελίδες
...to lend mo so much as I lend him, because I am to keep tho money longer than he ; therefore, make J the middle term. A. \$853^. 74. If 12 men do a piece...work in 12£ days, how many men will do the same in GJ days ? A. 24 men. Ratio, 2. 75. A merchant, owning \$ of a vessel, sells \$ of his share for \$500...