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Bøker Bok 1120 av 93If A and B together can perform a piece of work in 8 days, A and C together in 9...
" If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans. "
An Introduction to Algebra: With Notes and Observations: Designed for the ... - Side 98
av John Bonnycastle - 1811 - 220 sider
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A Treatise of Algebra: Wherein the Principles are Demonstrated ... To which ...

Thomas Simpson - 1821 - 408 sider
...• — .}- — =7. de+ ic+l Therefore x ( =ds — 6 ) = 16 ; y ( =d«+c ) =25 ; and u TROBLEM XXXVI. If A and B together can perform a piece of work in 8 (a) days, A a«rf C together in 9. (6) <fai/s, a«d B and C in 10 (c) days; how many days will it take...
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A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - 1825 - 372 sider
...If A and В together perform a piece of work in 8 days ; A and С together in 9 days; and В and С in 10 days ; how many days will it take each person to perform the same work ? Ans. A 14-JA days, В 17^, ana С 23 /T. 34. How much foreign brandy at 8s. per gallon, and British...
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An Introduction to Algebra: With Notes and Observations, Designed for the ...

John Bonnycastle - 1825 - 312 sider
...the side by one man, he wants 25 to fill up the square ; how many soldiers had he ? Ans 24000. 36. If A and B together can perform a piece of work in 3 days, A and c together in 9 days, and B and c in 10 days, how many days will it take each person...
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The Practical Analyst: Or, A Treatise on Algebra, Containing the Most Useful ...

Enoch Lewis - 1826 - 166 sider
...lasted the woman 30 days ; how long would the man alone be in drinking it ? Ans. 20 days. 38. A. and B. can perform a piece of work in 8 days, A. and C. in 9 days, and B. and C. in 10 days ; how many days would they severally require to perform the same...
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Elements of Arithmetic, Theoretical and Practical: Adapted to the Use of ...

Ferdinand Rudolph Hassler - 1828 - 215 sider
...jointly ? A us. in f of a week. --12. If A and B together can perform a work in 8 days, and A and C in 9 days, and B and C in 10 days ; how many days will it take each to perform the work alone ? Ans. To A = 14ff ; to B — 17£? ; to C = 23TV 13. The sides of two squares...
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An Introduction to Algebra, with Notes and Observations: Designed for the ...

John Bonnycastle - 1829 - 312 sider
...the side by one man, he wants 25 to fill up the square ; how many soldiers had lie? Ans. i'4000. 36. If A and B together can perform a piece of work in 8 days, A and c together in 9 days, and B and c.in 10 day? howr many days will it lake each person to perform the work alone. Ans. A 14|A days, B...
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Elements of Algebra: Tr. from the French of M. Bourdon, for the Use ..., Volum 1

Bourdon (M., Louis Pierre Marie) - 1831 - 389 sider
...lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans. 20 days. 37. If A and B together can perform a piece of work in...in 9 days ; and B and C in 10 days ; how many days would it take each person to perform the same work alone? Ans. A 14££ days, Bl7f a, and C 23j>T....
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Elements of Algebra

William Smyth - 1833 - 280 sider
...$0,60 respectively. 5. Three laborers are employed in a certain work. A and B together can perform it in 8 days, A and C together in 9 days, and B and C together in 10 days. In how many days can each alone perform the same work ? 6. Three men, A, B, C,...
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An Introduction to Algebra: With Notes and Observations; Designed for the ...

John Bonnycastle - 1834 - 312 sider
...the side by one man, he wants 25 to fill up the square ; how many soldiers had he ? Ans. 24000. 36. If A and B together can perform a piece of work in...each person to perform the same work alone ? Ans. A 14^1 days, B 17H, and c 23^. QUADRATIC EQUATIONS. A QUADRATIC EQUATION, as before observed, is that...
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Elements of Algebra: Tr. from the French of M. Bourdon

Charles Davies - 1835 - 353 sider
...lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans. 20 days. 20. If A and B together can perform a piece of work in...in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans. A 14JA days, B 17fa, and C 23JT. 21....
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