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 Βιβλία Βιβλία 1 - 10 από 22 για If A can do £ of a piece of work in 1 day, and B can do ^ of it in 1 day, how much....
If A can do £ of a piece of work in 1 day, and B can do ^ of it in 1 day, how much would both do in a day ? How long would it take them both together to do the whole ? 147.
Intellectual Arithmetic - Σελίδα 132
των Warren Colburn - 1839
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## First lessons in arithmetic: on the plan of Pestalozzi, with some improvements

Warren Colburn - 1825 - 172 σελίδες
...and 20 days ? -> 144. A can do a piece of work in 2 days ; how much of it can he do in 1 day ? 145. B can do a piece of work in 4 days ; how much of it...day, and B can do | of it in 1 day, how much would both do in a day ? How long would it take them bath together to do the whole 1 do in a day t How much...

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

Warren Colburn - 1826 - 172 σελίδες
...months and 20 days ? 144. A can do a piece of work in 2 days ; how. much of it can he do in 1 day ? 145. B can do a piece of work in 4 days ; how. much of...day, and B can do £ of it in 1 day, how much would both do in a day 1 How long would it take them both together to do the whole ? 147. If 1 man can do...

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

Warren Colburn - 1827 - 172 σελίδες
...piece of work in 2 days ; how much of it can he do in 1 day ? 145. B can do a piece of work in 4 days ; much of it can he do in 1 day? 146. If A can do £ of a piece of work in 1 and B can do i of it in 1 day, how much wou» 4 both do in a day ? How long would it take tlu T both...

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

Warren Colburn - 1828 - 160 σελίδες
...months and 20 days ? 144. A can do a piece of work in 2 days ; how much of it can he do in 1 day ? 145. B can do a piece of work in 4 days ; how much of it...can do ^ of a piece of work in 1 day, and B can do J of it in 1 day, how much would both do in a day ? How long would it take them both together to do...

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

Warren Colburn - 1829 - 172 σελίδες
...months and 20 days ? 144. A can do a piece of work in 2 days ; how much of it can he do in 1 day ? 145. B can do a piece of work in 4 days ; how much of it can he do in 1 day? 146. If A con do £ of a piece of work in 1 day, and B can do J of it in 1 day, how much would both do in a day...

## Arithmetic Simplified in Three Parts

Catharine Esther Beecher - 1833 - 283 σελίδες
...7 months, and B's 5 months. They gained 58 dollars. What was each man's share ? 18. If A can do -i of a piece of work in 1 day, and B can do \ of it in one day, how much would both do in a day ? HOW long would it take them both together to do the whole...

## Intellectural Arithmetic, Upon the Inductive Method of Instruction

Warren Colburn - 1847 - 160 σελίδες
...and 20 days ? 144. A can do a piece of work in 2 days ; how much of it can he do in 1 day ? -^" 145. B can do a piece of work in 4 days; how much of it...1 day ? 146. If A can do ^ of a piece of work in 1 dny, and B can do y of it in 1 day, how much would both do in a day ? How long would it take them both...

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

Warren Colburn - 1847 - 160 σελίδες
...and 20 days ? 144. A can do a piece of work in 2 days ; how much of it can he do in 1 day ? 145. В can do a piece of work in 4 days ; how much of it can he do in 1 day 1 146. If A can do ^ of a piece of work in 1 day, and В can do | of it in 1 day, how much would both...

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

Warren Colburn - 1849 - 160 σελίδες
...and 20 days ? 144. A can do a piece of work in 2 days ; how mach of it can he do in 1 day ? ' 145. B can do a piece of work in 4 days ; how much of it can he do in 1 day'.' 146. If A can do -j of a piece of work in 1 day, and B can do £ of it in 1 day, how much would both do in a day ? How...

## Colburn's First Lessons: Intellectual Arithmetic ...

Warren Colburn - 1849 - 160 σελίδες
...a piece of work in 4 days ; how much of it can he do in 1 day? '/-I1 146. If A can do ^ of a piete of work in 1 day, and B can do | of it in 1 day, how much would both do in a day9 How long would it take them both together to do the whole 1 ^"^" 147. If 1 man can...