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" 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. "
Intellectual Arithmetic - Σελίδα 124
των Warren Colburn - 1844
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First lessons in arithmetic: on the plan of Pestalozzi, with some improvements

Warren Colburn - 1825 - 172 σελίδες
...for £ of what it cost him ; how ' y O ' much did he gain 1 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...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, if 7 men werf employed ? 5. There is a pole standing so...

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
...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 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...

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

Warren Colburn - 1829 - 172 σελίδες
...of what it coet him ; how much did he lose ? 2. A man bought a quantity of flour fot 5Щ dol» lars, and sold it for f of what it cost him ; how much did...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...

Intellectural Arithmetic, Upon the Inductive Method of Instruction

Warren Colburn - 1847 - 160 σελίδες
...2. A man bought a quantity of flour for 53 1 dollars, and sold it for f of what it cost him ; ho» 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 1 How loug 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...

The American Equater: Or, Arithmetic Simplified in which Equations are Used ...

Conley Plotts - 1848 - 264 σελίδες
...garrison 56 days ? How many ounces per day must be allowed that the provisions may last 32 days ? 54. If 7 men can do a piece of work in 4£ days, by working 9^ hours per day, how many hours per day must they labor to accomplish the same work in...

Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - 1849 - 160 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...

Nelson's Common-school Arithmetic: Designed for the Use of the Lowest as ...

Richard Nelson - 1867 - 295 σελίδες
...$1200 and $800, and gaiued $12f>0; what was each man's share? 15. If 20 men do a piece of work in 30 days, how long will it take 1 man to do it? how long 15? 16. In 3683 oranges how many dozen? 17. If $3678.21 be divided between 7 persons, how much will...

Arithmetical Analysis, Or Higher Mental Arithmetic for Advanced Classes

James Bates Thomson - 1867 - 192 σελίδες
...platoon 10 soldiers : how many soldiers were there on parade ? 25. If 25 men can dig a cellar in 11 days, how long will it take 1 man to do it ? How much will he receive for it, if he has $2 per day ? 26. A and 13 are 20 miles apart, and travel in...

A Complete Arithmetic: Uniting Mental and Written Exercises in a Natural ...

Emerson Elbridge White - 1870 - 340 σελίδες
...8 men can do a piece of work in 15 days, how many men can do the same work in 10 days? 13. If 9 men can do a piece of work in 4| days, how long will it take 7 men to do it? 14. If 3 pipes will empty a cistern in 30 minutes, how many pipes will empty it in...




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