 A can do a piece of work in 3 days, B in 4 days, and C in 6 days. How long will it take them to do it working together?  A School Algebra - Page 170by George Albert Wentworth - 1890 - 495 pagesFull view - About this book
 | Stewart B. Sabin, Charles D. Lowry - Algebra - 1894 - 138 pages
...many soldiers in the regiment ? 5. A can do a piece of work in 3 days. B can do the same work in 5 days. How long will it take them to do it working together ? SUGGESTION. Let x = the number of days it will take them when working together ; then - = the part... | |
 | William Frothingham Bradbury - Arithmetic - 1895 - 398 pages
...in 6 days and B in 8 days, how long will it take both together to do it t 294. If A can build a wall in 3 days, B in 4 days, and C in 6 days, how long will it take A, B, and C together to build it t 150. Miscellaneous Written Examples. 295. Find the sum of 1S7£,... | |
 | George Albert Wentworth - Mental arithmetic - 1895 - 202 pages
...fast. What part can the son mow in 1 day ? What part can both mow in 1 day ? 19. If A can dig a ditch in 3 days, B in 4 days, and C in 6 days, what part can the three dig in 1 day ? What part will remain at the end of 1 day ? Lesson 43. Ex. What... | |
 | George Albert Wentworth - Algebra - 1898 - 434 pages
...+ 1=1. " 2 - -x Solving, x~—' Ц. ' ' Therefore, they together can do the work in 1¿ days. 30. A can do a piece of work in 3 days, B in 4 days, and C in 5 days. How many days will it take them to do it working together ? 31. A can do a piece of work in... | |
 | George Albert Wentworth - 1898 - 424 pages
...В was just half as old as A ? 74. A can do a piece of work in 2J days, B in 3£ days, and C in 4§ days. How long will it take them to do it working together ? 75. A and В can separately do a piece of work in 12 days and 20 days, and with the help of C they... | |
 | James Harrington Boyd - Algebra - 1901 - 818 pages
...working together to do the work? 27. A can do a piece of work in 2.V days, В in 3^ days, and С in 4J days. How long will it take them to do it working together? 28. The area of a rectangle is 5 square yards greater than that of a square. How long is the side of... | |
 | James Harrington Boyd - Algebra - 1901 - 812 pages
...working together to do the work? 27. A can do a piece of work in 2£ days, В in 3^ days, and С in 4J days. How long will it take them to do it working together? 28. The area of a rectangle is 5 square yards greater than that of a square. How long is the side of... | |
 | Wilbur Fisk Nichols - Arithmetic - 1903 - 328 pages
...11. A watch cost $70 more than a chain, and together they cost $160. How much did each cost? 12. A can do a piece of work in 3 days, B in 4 days, and C in 5 days. How much can each do in a day ? How much can all do in a day? How many days will it take, all... | |
 | Joseph Ray - Arithmetic - 1903 - 366 pages
...-C agree to build a house. A and B can do the work in 32 days, B and C in 28 days, and A and C in 26 days. How long will it take them to do it working together ? How long will it take each to do it alone ? All 18ff4 da. ; A 58f| da. ; B 70£| da. ; C 46^ da 68.... | |
 | Education - 1906 - 864 pages
...reciprocal. 2. Analyze the following problem: A can do a piece of work in 3 days, and B can do it in 4 days. How long will it take them to do it working together? 3. A square field contains 10 acres. Find the cost of fencing it at 80 cents per rod. 4. An agent received... | |
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