 | John Ryley, John Gawthorp, John Whitley - Mathematics - 1818 - 308 pages
...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 work? Solution from Dodson's Repository,... | |
 | Enoch Lewis - Algebra - 1826 - 180 pages
...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 work ? Ans. A. 14|| days, B. 17||,... | |
 | Ferdinand Rudolph Hassler - Arithmetic - 1828 - 230 pages
...the work 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... | |
 | Arithmetic - 1829 - 196 pages
...cloth, one containing 7J yards, another 13| yards, and the other 15i yards; how much in the whole? 11. A and B can do a piece of work in 8 days, A can do it in 13 days; in what time can B do it? — Ans. 20* days. 12. If several men own equal shares,... | |
 | Ebenezer Bailey - Algebra - 1835 - 258 pages
...other two, and the third with £ of the other two, shall each be equal to 34. 6. If 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, in how many days can each alone perform the same ,work ? 7. Says A to B and C, "If each of you will... | |
 | George Willson - Arithmetic - 1836 - 202 pages
...the same in 20 days ; how long will they be about it if they both work together ? Ans. 4 days. 14. A and B can do a piece of work in 8 days ; A can do it alone in 12 days ; in what time can B do it alone ? Ans. 24 days. 15. A merchant bought 63... | |
 | George Willson - Arithmetic - 1838 - 194 pages
...the same in 20 days ; how long will they be about it if they both work together ? Ans. 4 days. 14. A and B can do a piece of work in 8 days ; A can do it alone in 12 days ; in what time can B do it alone ? Ans. 24 days, 15. A merchant bought 63... | |
 | Charles Davies - Algebra - 1839 - 264 pages
...second, 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... | |
 | Ebenezer Bailey - Algebra - 1840 - 270 pages
...other two, and the third with % of the other two, shall each be equal to 34. 6. If A and B can perform a piece of work in 8 days, A and C in 9 clays, and B and C in 10 days, in how many days can each alone perform the same work ? 7. Says A to... | |
 | W. F. Walker - Arithmetic - 1841 - 246 pages
...perform the 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. §... | |
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