 | Joseph Ray - 1848 - 252 σελίδες
...$60, B's $75, and C's $80. ART. 169. — 1. Two men, A and B, can perform a certain piece of work in a days, A and C in 6 days, and B and C in c days ; in what time could each one, alone, perform it? and, in what time could they perform it, all... | |
 | Sarah Porter - 1852 - 286 σελίδες
...work in 9 days, B in 7, and C in 8, how long will they take doing it all working together ? Q. 73. If A and B can do a piece of work in 4 days, and B. working alone takes 10 days, how long will A take doing it by himself? Q. 74. In a mixture of... | |
 | John Fair Stoddard - 1856 - 312 σελίδες
...providing A does 3 times as much as B ? 16. If A and B can, together, do a certain piece of work in 5 days ; A and C, in 6 days ; and B and C, in 7£ ; how many days would it require for each to perform the work alone ? 17. Divide $4760 among three... | |
 | Benjamin Greenleaf - 1864 - 336 σελίδες
...horse ? Ans. First, $ 20 ; second, $ 100 ; third, $ 140. 11. A and B can reap a certain field in a days, A and C in 6 days, and B and C in c days ; in what time can each alone reap it ? „. 2 a 6 c bc-ab „ . , >* 12. Find three numbers... | |
 | George Augustus Walton - 1864 - 364 σελίδες
...can do it in 5£ days, and A, B, and C, can do it in 3i days, in what time can C do it alone ? 55. If A and B can do a piece of work in 4| days, and A and C can do it in 5J days, and B and C in 6-^ days, in what timo will all do the work together,... | |
 | W. M. LUPTON - 1867 - 210 σελίδες
...and reduce the result to the fraction of £37 15s. Ца. (29) Find the value of (30) ^í, Д and С" can do a piece of work in 4 days, .a and C- in 6 days, В and С in 5J days ; in what time can С do it alone ? (31) If from 1 Ib. Troy 46|| sovereigns are... | |
 | Emerson Elbridge White - 1870 - 350 σελίδες
...work in 4 days, B in 5 days, and C in 6 days : in what time can they together do it? 55. A, B, and C can do a piece of work in 4 days, A and C in 8 days, and B and C in 6 days : how long will it take A and E together to do it? 56. A and B did a... | |
 | Daniel Barnard Hagar - 1874 - 120 σελίδες
...and the base 58 rods long. How many acres did I buy, and what did I pay for it at $640 an acre ? 59. A and B can do a piece of work in 4 days, A and C in 6 days, and A, B and C in 3 days. In how many days can each do the work alone ? 60. What is the value in currency... | |
 | William Frothingham Bradbury - 1875 - 280 σελίδες
...number, the order of the figures will be inverted. What was the year ? I 4 /* í > " l t» «У J 79. A and B can do a piece of work in 4 days ; A and C in b days ; В and Q in с dayjs. In how many days can each do it? 2 «Ъс í \Q- ¿£^L— - ~\Г а.Щ'... | |
 | George Augustus Walton - 1876 - 358 σελίδες
...do it in ,5]- days, and A, B, and C, can do it in 3iJ- days, in what time can C do it alone ? 55. If A and B can do a piece of work in 4| days, and A and C can do it in 5£ days, and B and C in 6-^ days, in what tim» will all do the work together,... | |
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A and B can do a piece of work in 4 days, A and C in 6 days... 
