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If 7 men can do a piece of work in 4f days, how long will it take 1 man to do it ? How long will it take 3 men to do it ? 4.
First lessons in arithmetic: on the plan of Pestalozzi, with some improvements - Σελίδα 122
των Warren Colburn - 1825 - 172 σελίδες
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## Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1826 - 172 σελίδες
...firkins of butter cost 26 dollars, what will 7 firkins cost ? 15. If 3 men can do a piece of work in 7 days, how long will it take 1 man to do it ? How long would it take 4 men ? 16. If 2 cocks will empty a cistern in 3 hours, in how long a time would 1 empty...

## Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1827 - 172 σελίδες
...a quantity of flour for 53f dollars, and sold it for £ of what it cost him ; how much did he gain? 3. If 7 men can do a piece of work in 4f days, how...to do it ? How long will it take 3• men to do it 1 4. If 4 men can do a piece of work in 9^ days, how long would it take to do it, if 7 men were employed...

## First Lessons: Intellectual Arithmetic Upon the Inductive Method of Instruction

Warren Colburn - 1829 - 172 σελίδες
...quantity of flour for 53-f del-4 lars, and sold it for f of what it cost him; how much did he gain ? 3. If 7 men can do a piece of work in 4f days, how...men to do it ? 4. If 4 men can do a piece of work in 9-^ days, how long would it take to do it if 7 men were employed ? 5. There is a pole standing so...

## Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - 1828 - 172 σελίδες
...quantity of flour for 5Щ- dollars, and sold it for f of what it cost him ; how much did he gain ? (• 3. If 7 men can do a piece of work in 4f days, :/•...man to do it ? How long will it take 3 men to do it ï /J 4. If 4 men can do a piece of work in Щ days, how long would it take to do it if 7 men were...

## Intellectual Arithmetic, Upon the Inductive Method of Instruction

Warren Colburn - 1828 - 178 σελίδες
...a quantity of flour for 53^ dollars, and sold it for £ of what it cost him ; how much did he gain? 3. If 7 men can do .a piece of work in 4f days, how...long will it take 1 man to do it ? How long will it tqke 3 men to do it ? 4. If 4 men can do a piece of work in 9f days, how long would it take to do it,...

## Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1828 - 160 σελίδες
...a quantity of flour for 53f dollars, and sold it for f of what it cost him ; how much did he gain ? 3. If 7 men can do a piece of work in 4f days, how long will it take 1 man to do it 1 How long will it take 3 men to do it ? 4. If 4 men can do a piece of work in 9^ days, how long would...

## Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1829 - 172 σελίδες
...sold it for f of what it cost him ; how much did he gain ? 3. If 7 men can do a piece of work in 4£ days, how long will it take 1 man to do it ? How long...will it take 3 men to do it ? 4. If 4 men can do a piccf of work in 9J days, how long would it take to do it if 7 men were em ployed ? « , 5. There is...

## Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - 1836 - 172 σελίδες
...? 2. A man bought a quantity of flour for 53^ dollars, and sold it for f of what it cost him ; how much did he gain 1 3. If 7 men can do a piece of work...3 men to do it? 4. If 4 men can do a piece of work in 9^ days, how long would it take to do it if 7 men were employed ? 5. There is a pole standing so...

## Intellectual Arithmetic, Upon the Inductive Method of Instruction

Warren Colburn - 1836 - 172 σελίδες
...quantity of flour for 53f dollars, and sold it for f of what it cost him ; how much did he gain ? , 3. If 7 men can do a piece of work in 4f (Mays, how long will it take 1 man to do it ? How long will it take 3 men to do it ? 4. If 4 men can...

## Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1847 - 160 σελίδες
...sold it for |- of what it cost him ; how much did he gain? 3. If 7 men can do a piece of work in 4| days, how long will it take 1 man to do it ? How long...men to do it ? 4. If 4 men can do a piece of work in 9^ days, how long would it take to do it, if 7 men were employed ? 5. There is a pole standing so...