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" C 4£ days to do a piece of work, how long will it take to do the work if all three work together ? 8. "
First Lessons in Arithmetic on the Inductive Plan: Including Oral and ... - Página 60
por William James Milne - 1878 - 144 páginas
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A Mental Arithmetic Upon the Inductive Plan: Being an Advanced Intellectual ...

Benjamin Greenleaf - 1858 - 154 páginas
...how many dozen will it take to buy 6 yards of gingham, at 18 cents a yard ? 26. If it take 4 men 8 days to do a piece of work, how long will it take 16 men to do it ? 27. How many men in 8 days can do a piece of work, which will require 16 men 2 days...
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A Mental Arithmetic, Upon the Inductive Plan

Benjamin Greenleaf - 1860 - 156 páginas
...how many dozen will it take to buy 6 yards of gingham, at 18 cents a yard ? 26. If it take 4 men 8 days to do a piece of work, how long will it take 16 men to do it ? 27. How many men in 8 days can do a piece of work, which will require 16 men 2 days...
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A Mental Arithmetic, on the Inductive Plan: Being an Advanced IntellectuaL ...

Benjamin Greenleaf - 1879 - 180 páginas
...build a wall in 5 days, how many men must be employed to build it in 3 days ? 58. If it take 4 men 8 days to do a piece of work, how long will it take 16 men to do it ? 59. How many men in 8 days can do a piece of work which will require 16 men 2 days...
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Graded Reviews; Or, Helps to Teachers and Pupils in Arithmetic, Geography ...

William Milford Giffin - 1885 - 102 páginas
...piece of work in four days, how long will it take one man to do it? 92. If it takes one man fifteen days to do a piece of work, •how long will it take three men to do the same piece of work? .93. If a man receives two dollars a day, how much should he...
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New Complete Arithmetic on the Inductive Method: With Parallel Mental and ...

James William Nicholson - 1885 - 326 páginas
...more land could he buy with the remainder of his money, at the same rate ? 11. If it takes 52 men 70 days to do a piece of work, how long will it take 56 men to do it ? 12. If 8 men can do a piece of work in 145 days, how many men will be required to...
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Number Lessons: A Book for Second and Third Year Pupils

Charles Edward White - 1891 - 201 páginas
...both ? 2. From 59 take 13 and 7 and 9 and 5. 3. In 5 years how many months ? 4. If it takes a man 27 days to do a piece of work, how long will it take 3 men ? 5. Find i of 60 chairs. -N 6. Will had 60 marbles; he gave Tom i of them and James J of them....
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Higher Arithmetic

John Henry Walsh - 1893
...is the interest of $10, for 10 years 10 months and 10 days, at 10 per cent ? 24. If it takes one man 7^ days to do a piece of work, how long will it take 3 men to do 2-| times as much ? PARTNERSHIP. 977. Slate Problems. 1. B and 0 gain by trade $182. What...
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Intermediate Arithmetic: Including Exercises in Solving Simple Algebraic ...

John Henry Walsh - 1893 - 458 páginas
...and f of them are girls. How many are boys ? 12. Add 8i and Ц. 5| and Ц. 13. If it takes 5 men 15 days to do a piece of work, how long will it take 10 men to do it ? 14. What will 2 bushels of corn cost, if ^ peck costs 15 cents? 15. If it costs 25...
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Mathematics for Common Schools: Intermediate arithmetic

John Henry Walsh - 1893
...much as 4 peaches at 5^ apiece? 12 ・ Add 吋 an d7£ ・ 5 丑 、 nd7+ 13. If it takes 5 men 15 days to do a piece of work, how long will it take 10 men to do it ? 14.What will 2 bushels of corn cost, if peck costs 15 cents ? 15.If it costs 25 cents...
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A Mental Arithmetic

George Albert Wentworth - 1895 - 190 páginas
...walk up, how many times can he slide down and return in an hour? In two hours ? 3. If it takes 2 men 3 days to do a piece of work, how long will it take 1 man ? 3 men ? 4. If one man can do a piece of work in 30 days, how long will it take 3 men? 6 men? 5. If...
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