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A and B can do a piece of work in 10 days, A and C in 12 days, and В and C in 20 days.
A School Algebra - Page 168
by George Albert Wentworth - 1890 - 495 pages

## The Principles and Practice of Arithmetic: Comprising the Nature and Use of ...

John Hind - Arithmetic - 1840 - 252 pages
...what time can they do three times as much, all working together? Answer: Ihour. 47niin. 23t,see. (23) A and B can do a piece of work in 10 days; A and C in 12 days, and B and C in 14 days: in what times can they do it jointly and separately? Answer: All together in...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1842 - 320 pages
...which fire 5 rounds in 6 minutes, will kill 500-men in 1 hour at the same rate ? A. 20 cannon. 100. A and B can do a piece of work in 10 days, A and C in 12 days, and B and C in 14 days ; in what time can they do it jointly and separately? A. Together, 7TV7 days;...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - 1843 - 320 pages
...trench 50 yards long, 6 feet deep, and 1^ yards broad, in 9 days of 15 hours each ? A. 60 men. 100. A and B can do a piece of work in 10 days, A and C in 12 days, and B and C in 14 days; in what time can they do it jointly and separately? A. Together, 7 T V T days;...

## Arithmetic on the Productive System: Accompanied by a Key and Cubical Blocks

Roswell Chamberlain Smith - Arithmetic - 1850 - 314 pages
...which fire 5 rounds in 6 minutes, will kill 500 men in 1 hour at the same rate ? A. 20 cannon. 100. A and B can do a piece of work in 10 days, A and C in 12 days, and B and C in 14 days ; in what time can they do it jointly and separately ? A. Together, 7TVy days...

## Stoddard's Practical Arithmetic

John Fair Stoddard - Arithmetic - 1852 - 324 pages
...„'„ ; therefore, A will do it in 45 days, and B in 90 days. 19. A and B can, together, do a certain piece of work in 10 days ; A and C, in 12 days ; and B and C, in 15 days. How many days would it require for each to perform the work alone ? SOLUTION...

## Arithmetic for Schools

Barnard Smith - Arithmetic - 1854 - 366 pages
...£5 richer than by the actual arrangement. Determine the amount of As debt. 5. A and Я can perform a piece of work in 10 days, A and C in 12 days, and В and (- in 16 days. In what time would they do it separately ? 6. Having given that 125 Italian...

## Arithmetic, Oral and Written, Practically Applied by Means of Suggestive ...

Thomas H. Palmer - Arithmetic - 1854 - 368 pages
...third can empty it in 6 hours ? In what time would it be filled if all three were set running ? 44. A and B can do a piece of work in 10 days, and with the assistance of C they can do it in 8 days. How long would it take C alone to do it ? £g...

## Arithmetic, Oral and Written, Practically Applied by Means of Suggestive ...

Thomas H. Palmer - Arithmetic - 1854 - 356 pages
...third can empty it in 6 hours ? la what time would it be filled if all three were set running ? 44. A and B can do a piece of work in 10 days, and with the assistance of 0 they can do it ia 8 days. How long would it take G alone to do it? £g...