| William Smyth - Algebra - 1858 - 344 pages
...unknown quantities. 1. 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 ? Let x, y and z represent... | |
| Charles Davies - Algebra - 1859 - 324 pages
...the second, and | of the third, may be all equal to each other. Ans. 8, 12, and 16. 6. If A and В **together can do a piece of work in 8 days, A and** С together in 9 days, and Б and С in ten days, how many days would it take each to perform the same... | |
| James William Dodd - 1859 - 188 pages
...— , the part both would drink in 1 day. x 30 12 From this Equation we shall find x = 20 days. 29. **If A and B together can do a piece of work in** 9 days, and A alone could do it in 15 days, in what time could B alone do the work ? Let x represent... | |
| James B. Dodd - Algebra - 1859 - 368 pages
...in 1 day, the equation will be [- — == — , the part both would drink in 1 day. Ans. 20 days. 29. **If A and B together can do a piece of work in** 9 days, and A alone could do it in 15 days, in what time ought B alone to accomplish the work ? Ans.... | |
| Charles Davies - Algebra - 1860 - 332 pages
...first, i of the second, and ^ of the third, may be all equal to each other. Ans. 8, 12, and 16. 6. **If A and B together can do a piece of work in 8 days, A and C together in 9 days, and** J3 and C in ten days, how many days would it take each to perform the same work alone? ' Ans. .4, 14f... | |
| Charles Davies - Algebra - 1860 - 412 pages
...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 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 14f |- days,... | |
| Charles Davies - Algebra - 1860 - 328 pages
...the second, and j of the third, may be all equal to each other. Ans. 8, 12, and 16. 9. If A and В **together can do a piece of work in 8 days, A and** С together in 9 days, and В and С in ten days ; how many days would it take each to perform the... | |
| Paul Allen Towne - Algebra - 1865 - 314 pages
...to the unit's place, whil.it the unit figure appears at the left. What is the number? 21 . * A and B **can do a piece of work in 8 days ; A and C** in 9 days; B and C in 10 days. In what time can each do the work alone? And in what time if all work... | |
| John Fair Stoddard, William Downs Henkle - Algebra - 1866 - 546 pages
...and 72 yards ; and circumferences of the wheels 20 and 12 yards. 22. If A and B together can perform **a piece of work in 8 days, A and C together in 9 days, and B and** O together in 10 days, in how many days can each alone perform the same work 1 Ans. A in 14J£ days,... | |
| Charles Davies - Algebra - 1867 - 316 pages
...the second, and ^ of the third, may be all equal to each other. Ans. 8, 12, and 16. 6. If A and J3 **together can do a piece of work in 8 days, A and C together in 9 days, and** £ and G in ten days, how many days would it take each to perform the same work alone? Ans. A, 14|i;... | |
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