 | Pliny Earle Chase - 1844 - 164 pages
...1 day ? What part can they both build ? In what time will they build it, if they work together? 69. A. and B. can do a piece of work in 6 days, and B. alone can do it in 10 days. What part can they both do in 1 day ? What part can B. do in 1 day... | |
 | Barnard Smith - 1857 - 740 pages
...express both a dollar and a franc in terms of the unit of money mentioned in the last question. 8. A and B can do a piece of work in 6 days, B and C in 7 days, and A, B, and C can do it hi 4 days ; how long would A and C take to do it ? 9.... | |
 | Silas Lawrence Loomis - Arithmetic - 1859 - 324 pages
...difference between the sou's and daughter's portion was $7000. What was the widow's portion ? 2243. If A. and B. can do a piece of work in 6 days, B. and C. in 8 days, and A. and C. in 10 days, in what time can each do it alone ? 2244. How many reams... | |
 | Daniel W. Fish - Arithmetic - 1871 - 300 pages
...between two numbers is 8, and T'T of the larger is equal to 4 of the smaller. What are the numbers ? 261. A and B can do a piece of work in 6| days; B and 0 in 12 days ; and A and C in 10 days. In how many — — days can all working together do it... | |
 | James Loudon - Algebra - 1873 - 360 pages
...the second condition, From these two equations we find .«=3, y=6. Therefore the number sought is 86. 3. A and B can do a piece of work in 6 days ; A and...C can do 8 times the same work in 45 days. In what times can they do it separately ? Let x, y, and z denote the numbers of days in which \, B, and C,... | |
 | James Loudon - Algebra - 1873 - 314 pages
...second condition, From these two equations we find j;=8, y=6. Therefore the number sought is 86. 8. A and B can do a piece of work in 6 days ; A and C...C can do 8 times the same work in 45 days. In what times can they do it separately ? Let x, y, and z denote the numbers of days in which A, B, and C,... | |
 | Barnard Smith - Arithmetic - 1873 - 366 pages
...express both a dollar and a franc in terms of the unit of money mentioned in the last question. 8. A and B can do a piece of work in 6 days, B and C in 7 days, and A, B, and C can do it in 4 days ; how long would A and C take to do it ? 9.... | |
 | 1875 - 648 pages
...£1,953 -r 31 = 63 A. gets 3| x 4 X 63 = 945. B. ,, 3 x 4 X 63 = 756. C. „ 1 X 4 x 63 = 252. Ant. 10. A. and B. can do a piece of work in 6 days, B. and C. in 7 days, and A., B. and C. in 4 days. How long would A. and C. take to do it ? If A. and... | |
 | Adolf Sonnenschein - 1877 - 148 pages
...respectively. How much water will pass through each pipe if both are opened together ? (45) A and B together can do a piece of work in 6 days, A and C in 8 days, В and С in 9 days. In what time could all three together do it 1 (46) A brick is 9 in.... | |
 | James Hamblin Smith, Thomas Kirkland - Arithmetic - 1877 - 376 pages
...rows, and the rate at which the stream flows. (201) Show that 1 o + 1 1 •1 + 4 + — 1 •i + ^202) A and B can do a piece of work in 6 days, B and 0 in 8 days, A, B, and C in 4 days. How long would A and C take to do it ? (203) If, by selling... | |
| |
A and B can do a piece of work in 6 days ; A and C can do it in 9 days, and A, B, C can do 8 times the same work in 45 days. 
