...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...

...which fire 5 rounds in 6 minutes, will kill 500 men in 1 hour at the same rate 1 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, 7TV, days...

...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;...

...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;...

...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...

...„'„ ; 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...

...£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...

...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...

...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...

...time in which A, B, and C would do the work, working first all together, and secondly separately. 7. A and B can do a piece of work in 10 days, A and C in 12 days, B and C in 15 days ; in what time can they do it jointly and separately 1 8. A can do a piece of work in 7J days, B can...