| Charles Davies - Algebra - 1860 - 412 pages
...it lasted the woman 30 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...in 9 days, and B and C in 10 days ; how many days would it take each person to perform the same work alone 1 Ans. A 14|| days, B 17f f, and C 23 j7T.... | |
| Charles Davies - Algebra - 1860 - 330 pages
...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 - 1861 - 322 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 14||, B 17£f,... | |
| Dublin city, univ - 1863 - 312 pages
...expression (aV - a'V) (b"e - be") - (bo - b'e) (a"& - « b(a,'e''- aV) + b'(a"e- ac") + b"(ae'~ 13. If A and B together can perform a piece of work in m days, A and C in » days, and B and C in p days, in what time could A, B, and C separately perform... | |
| Benjamin Greenleaf - Algebra - 1864 - 336 pages
...the quantity of each ? Ans. Wheat, 29 bushels ; barley, 44 bushels ; and oats, 73 bushels. 8. 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 it ? Ans. A, in 14f| days;... | |
| Elias Loomis - Algebra - 1864 - 386 pages
...remains 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, A and C together in 15 days, and B and C in 20 days, how many days will it take each person... | |
| Charles William Hackley - Algebra - 1864 - 532 pages
...woman 30 days ; how many drn would the man alone be in drinking it ? Ans. 20 daví. (40) 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 nú* each person to perform... | |
| John Fair Stoddard, William Downs Henkle - Algebra - 1866 - 546 pages
...the wheels ? Ans. The ropes, 360 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 - 1866 - 314 pages
...^ 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 B and C in ten days, how many days would it take each to perform the same work alone? ' Ans. A, 14JJ; JS, 17f*... | |
| Joseph Ray - Algebra - 1852 - 422 pages
...the greater divided by the less shall be q, with a remainder r. An*. , 1-fV , -- . - . - - ---- 13. If A and B together can perform a piece of work in a daye, A and C together the same in b days, and B and C togetner in t days: find the time in which... | |
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