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" If 6 men in 16 days of 9 hours each build a wall 20 feet long, 6 feet high, and 4 feet thick, in how many days of... "
Complete Arithmetic: Or Third Book of a Series of Mathematics - Σελίδα 111
των Andrew H. Baker - 1878 - 193 σελίδες
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The Youth's Assistant in Theoretic and Practical Arithmetic: Designed for ...

Zadock Thompson - 1832 - 186 σελίδες
...100 doz. candles. NOTE. — The exchange of one commodity for another, is called Barter. 9. If 6 men build a wall 20 feet long, 6 feet high, and 4 feet thick, in 32 days ; in what time will 12 men build a wall 100 feet long, 4 feet high, and 3 feet thick? Ans....

The Youth's Assistant in Theorhetic [sic] and Practical Arithmetic: Designed ...

Zadock Thompson - 1832 - 186 σελίδες
...100 doz. candles. NOTE. — The exchange of one commodity for another, is called Barter. 9. If 6 men build a wall 20 feet long, 6 feet high, and 4 feet thick, in 32 days ; in what tune will 12 men build a wall 100 feet long, 4 feet high, and 3 feet thick ? Ans....

The North American Arithmetic: Part Third, for Advanced Scholars, Τόμος 3

Frederick Emerson - 1834 - 300 σελίδες
...pounds, what will a bar weigh, that is 6ft. long, 4 in. broad, and 2 in. thick ? 50. If 6 men built a wall 20 feet long, 6 feet high, and 4 feet thick, in 16 days, in how many days will 24 men build a wall 200 feet long, 8 feet high, and 6 feet thick? 51...

The Western Arithmetic: Or, Pennsylvania and Ohio Accomptant: Being a Plain ...

James L. Connolly (mathematician.) - 1835 - 264 σελίδες
...another piece of work, four times as large, in a fourth of the time? Ans. 480 men. 7. If 8 men can build a wall 20 feet long, 6 feet high, and 4 feet thick, in 12 days, in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick? 'Ans. 80...

A Practical and Theoretical System of Arithmetic...: Also, a Treatise on ...

George Willson - 1836 - 202 σελίδες
...of the first terms. The method of statement will best be illustrated by an example. 1. If 8 men can build a wall 20 feet long, 6 feet high, and 4 feet thick in 12 days, in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? Here the...

Daboll's Schoolmaster's Assistant: Improved and Enl. ...

Nathan Daboll - 1837 - 262 σελίδες
...of "t cwt. 2qrs. 25 Ib. 64 miles at the the вате rate ? Ans. S14, OScis. 6m. + 10. If 8 men can build a wall 20 feet long, 6 feet high and 4 feet thick, in 12 days ; in what time will 24 men buiid one 200 feet long, 8 feet high, and 6 feet thick? 8 : 12 :...

A New System of Arithmetic, on the Cancelling Plan: Embracing the Rules of ...

Charles Guilford Burnham - 1837 - 266 σελίδες
...to correspond with Inverse Proportion, and may be applied to both Simple and Compound. 14. If 6 men build a wall 20 feet long, 6 feet high and 4 feet thick, in 16 days, working 12 hours in a day, in how many days will 24 men build a wall 200 feet long, 8 feet...

A Practical and Theoretical System of Arithmetic: Containing a New System of ...

George Willson - 1838 - 194 σελίδες
...of the first terms. The method of statement will best be illustrated by an example. 1. If 8 men can build a wall 20 feet long, 6 feet high, and 4 feet thick in 12 days, in what time will 24 men build one 200 feet long, 8 feet high, and 6 feet thick ? Here the...

Complete Schoolmaster's Assistant: Being a Plain Comprehensive System of ...

Nathan Daboll - 1839 - 220 σελίδες
...wall, how many men'will build four times as much in a fifth part of the time ? Ans. 600. 13. If 6 men build a wall 20 feet long 6 feet high and 4 feet thick in 16 days, in what time will 24 men build one 200 feet long 8 feet high and 6 feet thick ? men. da. ft....

The North American Arithmetic: For Advanced Scholars. part third

Frederick Emerson - 1839 - 300 σελίδες
...pounds, what will a bar weigh, ihat is 6ft. long, 4 in. broad, and 2 in. thick? 50. If 6 men built a wall 20 feet long, 6 feet high, and 4 feet thick, in 16 days, in how many days will 24 men build a wall 200 feet long, 8 feet high, and 6 feet thick ? 51...




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