| Elias Loomis - 1846 - 346 sider
...due to him ; and to the other, one third of what remains due to him. What were the debts ? Ex. 21. **If A and B together can perform a piece of work in** 12 days, 4 and C together in 15 days, and B and C in 20 days ; how many days will it take each person... | |
| 1847 - 368 sider
...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. A 14** f<- days, B 17ff, and C 23/T. 21. A laborer can do a certain work expressed by a, in a time expressed... | |
| Charles Davies - 1847 - 368 sider
...how many days would the man be in drinking it alone ? Ans. 20 days. //,..',,/ Hk * Л 20. 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 would it take each person to perform... | |
| Charles Davies - 1848
...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,... | |
| 1848 - 368 sider
...lasted the woman JO days ; how many days would the man be in drinking it alone ? Ans. 20 days. 20. **If A and B together can perform a piece of work in 8 days, A and** С together in 9 days, and B and С in 10 days ; how many days would it take each person to perform... | |
| Stephen Chase - 1849 - 336 sider
...the whole stock is c. How much did each contribute ? See § 55. 4. ft (LC ' . B's Part, &c5. 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 could each person, alone, perform the same work... | |
| James Robinson - 1850 - 324 sider
...5 for 2 pence, found that she had lost 4 pence. What number of eggs did she purchase ? 189. A and B **can perform a piece of work in 8 days, A and C** can perform it in 9 days, and B and C can perform it in 10 days. In what number of days can each perform... | |
| JAMES RYAN - 1851
...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** 14ff- days, B 17f-f, and c 23^. QUADRATIC EQUATIONS. A QUADRATIC EQUATION, as before observed, is that... | |
| Joseph Ray - 1852 - 396 sider
...such parts, that the quotient of the greater divided by the less shall be q, with a remainder r. 13. **If A and B together can perform a piece of work in** a days, A and C together the same in b days, and B and C together in c days: find the time in which... | |
| David Henry Cruttenden - 1853 - 316 sider
...days, and C in 8 days ; in what time can the three perform the same work ? Ans. 2 5?g days 176. 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 will it take each person to perform the same work... | |
| |