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" B together can build a boat in 8 days, and with the assistance of C they can do it in 5 days ; how much of it can A and B... "
Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ... - Page 137
by Warren Colburn - 1828 - 160 pages
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Daboll's Schoolmaster's Assistant: Improved and Enlarged, Being a Plain ...

Nathan Daboll - Arithmetic - 1815 - 250 pages
...and in the fifth 450 ; how many had he ? Jlns. 120,... 35. A and B together can build a boat in 13 days, and with the assistance of C they can do it in 1 1 days; in what time would C do it alone ? «lns. 23|. days. 36. There are three numbers, 23, 25,...
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Daboll's Schoolmaster's Assistant: Improved and Enlarged. Being a Plain ...

Nathan Daboll - Arithmetic - 1818 - 246 pages
....f\, and in the fifth 450 ; how many had he ? Ms. 1200. 55. A and B together can build a boat in 18 days, and •with the assistance of C they can do it in 1 1 days ; in •what time would C do it alone ? Ms. 28f. days. 36. There are three numbers, 23, 25,...
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Daboll's Schoolmaster's Assistant: Improved and Enlarged; Being a Plain ...

Nathan Daboll - Arithmetic - 1820 - 254 pages
...TV, and in the fifth 450 ; how many had he ? Arts. 1200. 35. A and B together can build a boat in 1 8 days, and with the assistance of C they can do it in 11 days ; in what time would C do it alone ? Jns. 28f. clays. 36. There are three numbers, 23, 25,...
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Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - Arithmetic - 1849 - 174 pages
...fill in 1 hour ? and how long would it take them all to fill it, if they were all running at once ? 152. A and B together can build a boat in 8 days,...they can do it in 5 days ; how much of it can A and £ build in 1 day ? how much of it can A, B, and C, build in 1 day ? how much of it can C build alone...
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Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - Arithmetic - 1829 - 170 pages
...fill in 1 hour ? and how long would it take them all to fill it, if they were all running at once ? 152. A and B together can build a boat in 8 days, and with the assistance of.C they can do it in 5 days ; how much of it can A and B build in 1 day ? how much of it can A, B,...
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Intellectual Arithmetic: Upon the Inductive Method of Instruction

Warren Colburn - Arithmetic - 1828 - 186 pages
...? and how long would it take them all to fill it, if they were all running at once ? 152. A and В together can build a boat in 8 days, and with the assistance of С they can do it in 5 days ; how much of it can A and В build in 1 day ? how much of it can A, B,...
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A Short System of Practical Arithmetic: Compiled from the Best Authorities ...

William Kinne - 1829 - 246 pages
...time, then, could Y get it done himself? Ans. 81f days. 48. A and B together can build a boat in 18 days, and with the assistance of C, they can do it in 11 days; in what time then, would G do it by himself ? Ans. 28f days. 49. Laid out in a lot of muslin...
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Daboll's Schoolmaster's Assistant: Improved and Enl. ...

Nathan Daboll - Arithmetic - 1829 - 252 pages
...TV, and in the fifth 450 ; how many had he 1 Ans. 1200. 35. A and B together can build a boat in 18.. days, and with the assistance of C they can do it in 11 days ; in what time would C do it alone ? Ans. 28f days. 36. Theie are three numbers, 23, 25, and...
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Intellectual Arithmetic, Upon the Inductive Method of Instruction

Warren Colburn - Arithmetic - 1836 - 216 pages
...in 1 hour ? and how long would it take them all to fill it, if they were all running at once ? 1 52. A and B together can build a boat in 8 days, and with...5 days ; how much of it can A and B build in 1 day ? 9iow much of it can A, B, and C, build in 1 day ? now much of it can C build aloue in 1 day f how...
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The Principles and Practice of Arithmetic: Comprising the Nature and Use of ...

John Hind - Arithmetic - 1840 - 252 pages
...times the said work ? Answer: 3 days. 12hrs. 46j!j|min. (21) If A and B together can build a boat in 18 days, and with the assistance of C they can do it in 11 days; in what time can C do it by himself? Answer: 28 f days. (22) If A can do a piece of work by...
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