 | William Smyth - Algebra - 1855 - 370 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... | |
 | Elias Loomis - Algebra - 1855 - 356 pages
...is readily solved by first finding in what time they could finish it if all worked together. Ex. 22. If A and B together can perform a piece of work in a days, A. and C together in b days, and B and C in c days, how many days will it take each person... | |
 | Charles Davies - Algebra - 1856 - 224 pages
...in the first equation, Ч---- clearing of fractions, 60 + 2x - 5x ; . • . * = 20. '20. If A and В 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 Jays would it take each person to perform the same work... | |
 | Charles Davies - Algebra - 1857 - 262 pages
...- in the first equation, „. clearing of fractions, . 60 + 2ж = 5x ; .-. x = 20. 20. If A and В together can perform a piece of work in 8 days, A...in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone? Let the work be denoted by 1 ; Let x denote... | |
 | 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... | |
 | James William Dodd - 1859 - 188 pages
...— - ; and y+7 3 x+2 From these Equations we shall find x—4, and y=5. Hence the fraction is |. 26. 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 would it take each person to perform the work alone... | |
 | James B. Dodd - Algebra - 1859 - 368 pages
...the denominator being doubled, and the numerator increased by 2, the value becomes f I Ans. |. 26. A and B together can perform a piece of work in 8 days, A and 0 in 9 days, and B and C in 10 days. How many days would it take each person to perform the same" work... | |
 | Theodore Strong - Algebra - 1859 - 570 pages
...x — 10. Hence, 15a; and 52y become 150 and 156, which are the required numbers. 11. " If A and В together can perform a piece of work in 8 days, A and С together in 9 days, В and С together in 10 days, how many days will it take each person to perform... | |
 | John Fair Stoddard, William Downs Henkle - Algebra - 1859 - 538 pages
...Ans. The ropes, 360 and 72 yards } and circumferences of the wheels 20 and 12 yards. 22. If A and В together can perform a piece of work in 8 days, A and С together in 9 days, and В and О together in 10 days, in how many days can each alone perform the... | |
 | 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.... | |
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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 will it take each person to perform the same work alone. 
