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. Mathematics - Page 315by Samuel Webber - 1808Full view - About this book
| John Ryley, John Gawthorp, John Whitley - Mathematics - 1818 - 4 pages
...independent on algebra, to a question in Dodson's Repository, page 62, vol.), which is as follows: **If A and B together 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 will it take each person alone to perform the same... | |
| Thomas Simpson - Algebra - 1821 - 408 pages
...• — .}- — =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... | |
| Peter Nicholson - Mathematics - 1825 - 372 pages
...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... | |
| John Bonnycastle - Algebra - 1825 - 312 pages
...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... | |
| Enoch Lewis - Algebra - 1826 - 166 pages
...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... | |
| Ferdinand Rudolph Hassler - Arithmetic - 1828 - 215 pages
...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... | |
| John Bonnycastle - Algebra - 1829 - 312 pages
...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... | |
| Bourdon (M., Louis Pierre Marie) - Algebra - 1831 - 389 pages
...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.... | |
| William Smyth - Algebra - 1833 - 280 pages
...$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,... | |
| John Bonnycastle - Algebra - 1834 - 312 pages
...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... | |
| |