 | Algebra - 1838 - 372 pages
...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 14a.| days, B 17fi, and C 23JT. 21.... | |
 | John Radford Young - Algebra - 1838 - 368 pages
...(62.) QUESTIONS PRODUCING SIMPLE EQUATIONS INVOLVING THREE UNKNOWN QUANTITIES. QUESTION I. If A and В can perform a piece of work in 8 days, A and C together in 9 days, and В and C together in 10 days ; in how many days can each alone perform the same work ? Let the number... | |
 | Charles Davies - Algebra - 1839 - 264 pages
...and J of the third, may be all equal to each other. Ans. 8, 12, and 16. 9. If A and B together can do a piece of work in 8 days, A and C together in 9 days, and B and C in ten days ; how many days would it take each to perform the same work alone? ' Ans. A 14f|, B 17ff,... | |
 | John D. Williams - Algebra - 1840 - 634 pages
...284+24=308, whence z=154 ' and, consequently, з? -\- 284 = 24000, the whole number of men. 48. If A and В together can 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... | |
 | W. F. Walker - Arithmetic - 1841 - 246 pages
...work jointly? Ans. | of a week. (69.) 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. A 14f|da.; B 17f?da.; C 23T^da. § 131. 1. Questions very often occur... | |
 | Charles Davies - Algebra - 1842 - 368 pages
...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 14ff days, B 17ff, and C 23J y .... | |
 | Charles Davies - Algebra - 1842 - 284 pages
...and ^ of the third, may be all equal to each other. Ans. 8, 12, and 16. 9. If A and B together can do a piece of work in 8 days, A and C together in 9 days, and B and C in ten days ; how many days would it take each to perform the same work alone ? Ans. A 14ff , B 17f|,... | |
 | Arithmetic - 1843 - 142 pages
...in 12 days, and B and C can do in 16 days ; in what time could each do it separately ? 24. A and B can perform a piece of work in 8 days, A and C can do the same in 12 days, and B and C in 16 days ; in what time could each separately perform it,... | |
 | Davis Wasgatt Clark - 1844 - 394 pages
...47; and ± of the first, J of the second, and J of the third equal to 38. Jlns. 24, 60, and 120; 7. If A and B together can perform a piece of work in 8 days, A and G together in 9 days, and B and C in 10 days, how many days will it take each person alone to perform... | |
 | James H. Porter - Arithmetic - 1845 - 252 pages
...per ell must I sell the undamaged part so that I may clear =£50 by the whole ?' Ans. 11s. 7|d. 222. A and B together can perform a piece of work in 8...many days will it take each person to perform the same work alone ? f A in 14f| days. Ans. •> B " 17f a '• 1C " 2337T " 223. I would plant 10 acres... | |
| |
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. 
