 | California. State Board of Education - Arithmetic - 1887 - 300 pages
...\ of an hour, and B in -i^- of an hour; in a race of 22 miles, which will win, and by how much? 34. A and B can do a piece of work in 10 days, A and C in 12 days, and B and C in 15 days; in what time can the three working together do it? In what time can each do... | |
 | George Soulé - Arithmetic - 1888 - 568 pages
..." " oats. $1.33 Proportionate cost of 1 bu. of grain. BU. 1.35 1 54.00 40 bus. purchased, Ans. 49. A. and B. can do a piece of work in 10 days; A. alone can do it in 15 days. How many days will it take B. to do it? Ans. 30 days. SYNOPSIS FOR REVIEW.... | |
 | Henry Nathan Wheeler - Arithmetic - 1888 - 314 pages
...travels ^ of the whole distance, while B travels ^ of the remainder. How far are they then apart ? 119. A can do a piece of work in 10 days, A and C can do it in 7 days, A and B can do it in 6 days : in how many days can B and C together do it? APPENDIX.... | |
 | Charles Austin Hobbs - Arithmetic - 1889 - 370 pages
...can do the same work together in 7 days ; in how many days can B, working alone, do the work ? 12. A can do a piece of work in 10 days, A and C can do it in 7 days, and A and B can do it in 6 days ; in how many days can B and C together do it... | |
 | William James Milne - Arithmetic - 1892 - 440 pages
...whole work in 2^ weeks, and B can do it in 2f weeks. How should the money be divided between them ? 68. A and B can do a piece of work in 10 days. A can do it alone in 15 days. They work together 4 days, after which B finishes the work. If they earn... | |
 | Oscar F. Williams - Arithmetic - 1894 - 364 pages
...consume 4£ bushels of oats in 3£ days, how many bushels will 12 horses consume in the same time ? S3. A and B can do a piece of work in 10 days, which A alone can do in 18 days. In what time can B alone do the work ? 34. John and Calvin have agreed... | |
 | Webster Wells - Algebra - 1904 - 384 pages
...of 20 cents a dozen, and gained 24 cents by the transaction. How many of each kind did he buy ? 25. 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. In how many days can each of them alone do it ? 26. A resolution was adopted... | |
 | Webster Wells - Algebra - 1897 - 426 pages
...cents a dozen, and gained 24 cents by the transaction. How many of each kind did he buy ? 25. A and 1Î can do a piece of work in 10 days, A and C in 12 days, and В and C in 20 days. In how many days can each of them alone do it ? 26. A resolution was adopted... | |
 | Webster Wells - Algebra - 1897 - 384 pages
...of 20 cents a dozen, and gained 24 cents by the transaction. How many of each kind did he buy ? 25. A and B can do a piece of work in 10 days, A and С in 12 days, and B and С in 20 days. In how many days can each of them alone do it ? 26. A resolution... | |
 | Webster Wells - Algebra - 1897 - 422 pages
...of 20 cents a dozen, and gained 24 cents by the transaction. How many of each kind did he buy ? 25. A and B can do a piece of work in 10 days, A and С in 12 days, and B and C in 20 days. In how many days can each of them alone do it ? 26. A resolution... | |
| |
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. 
