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" 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, Upon the Inductive Method of Instruction - Σελίδα 130
1862 - 176 σελίδες
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First Lessons in Arithmetic: On the Plan of Pestalozzi, with Some Improvements

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...days ? What for 45 days ? What for 12 days ? What for 10 days ? What for 5 days 1 * 143. What is the interest of 100 and 37 dollars for 2 years 3 months...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 would both together do 1 How long would it take...

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

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

Warren Colburn - 1828 - 160 σελίδες
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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

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Arithmetic Simplified in Three Parts

Catharine Esther Beecher - 1833 - 283 σελίδες
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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1847 - 160 σελίδες
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Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ...

Warren Colburn - 1847 - 160 σελίδες
...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 do in a day ? How long would it take them both together...

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

Warren Colburn - 1849 - 160 σελίδες
...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...how much would both do in a day ? How long would it fake them both together to do the whole ? do in a day ? How much would both together do .' How long...

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

Warren Colburn - 1849 - 160 σελίδες
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