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" In how many days, working 9 hours a day, will 24 men dig a trench 420 yards long, 5 yards wide, and 3 yards deep, if 248 men, working... "
Higher Arithmetic: Designed for the Use of High Schools, Academies, and Colleges - Σελίδα 91
των George Roberts Perkins - 1841 - 252 σελίδες
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The North American Arithmetic: for advanced scholars. Part third

Frederick Emerson - 1834 - 288 σελίδες
...can dig a trench 230 yards long, 3 yards wide, and 2 yards deep, in how many days, of 9 hours each, will 24 men dig a trench 420 yards long, 5 yards wide, and 3 yards deep ? Since 248 men, in 5 days, of 11 hours each, can dig a trench 230 yards long, 3 yards wide, and 2...

The North American Arithmetic: Part Third, for Advanced Scholars

Frederick Emerson - 1839 - 288 σελίδες
...almonds for 70 chestnuts, and 108 chestnuts for 2 3 cents, how many pears can I buy for $1.35? 57. In how many days, working 9 hours a day, will 24 men...420 yards long, 5 yards wide, and 3 yards deep; if 243 men, working 11 hours a day, in 5 days dug a trench 230 yards long, 3 yards wide, and 2 yards deep...

The North American Arithmetic: For Advanced Scholars. part third, Μέρος 3

Frederick Emerson - 1839 - 288 σελίδες
...can dig a trench 230 yards long, 3 yards wide, and 2 yards deep, in how many days, of 9 hours each, will 24 men dig a trench 420 yards long, 5 yards wide, and 3 yards deep ? Since 248 men, in 5 days, of 1 1 hours each, can dig a trench 230 yards long, 3 yards wide, and 2...

An Elementary Arithmetic ...: Serving as an Introduction to the Higher ...

George Roberts Perkins - 1846 - 258 σελίδες
...length, 6 feet high, and 4 feet thick, in. 20 days, by working 8 hours each day ? . Ans. 500 men. 11. In how many days, working 9 hours a day, will 24 men...yards wide, and 3 yards deep, if 248 men, working 11 hours a day, in 5 days, dig a treach 230 yards long, 3 yards wide, and 2 yards deep ' Ans. 288js59T...

An Elemtary Arithmetic ...: Serving as an Introduction to the Higher ...

George Roberts Perkins - 1849 - 347 σελίδες
...length, 6 feet high, and 4 feet thick, in 20 days, by working 8 hours each day ? Ans. 500 men. 1 1. In how many days, working 9 hours a day, will 24 men...trench 230 yards long, 3 yards wide, and 2 yards deep? Ans. 288-iftVdays. 12. Suppose that 50 men, by working 5 hours each day, can dig, in 54 days, 24 cellars,...

HIGHER ARITHMETIC

GEORGE R. PERKINS A.M., - 1849
...xff |= 16 men Now, as there are already 12 men upon the work, it becomes necessary to add 4 men more. 15. In how many days, working 9 hours a day, will...yards wide, and 3 yards deep, if 248 men, working 11 hours a day, in 5 days, dig a trench 230 yards long, 3 yards wide, and 2 yards deep ? Ans. 5 days...

Higher Arithmetic: Designed for the Use of High Schools, Academies, and ...

George Roberts Perkins - 1850 - 342 σελίδες
...f = 16 men. Now, as there are already 12 men upon the work, it becomes necessary to add 4 men more. 15. In how many days, working 9 hours a- day, will...yards wide, and 3 yards deep, if 248 men, working 11 hours a day, in 5 days, dig a trench 230 yards long, 3 yards wide, and 2 yards deep ? Ans. 5 days...

The North American Arithmetic ...: For Advanced Scholars

Frederick Emerson - 1850
...50 almonds for 70 chestnuts, and 108 chestnuts for 2^ cents, how many pears can I buy for $1.35? 57. In how many days, working 9 hours a day, will 24 men dig a trench 420 yards long, 5 yards wide, and 3 3rards deep ; if 248 men, working 1 1 hours a day, in 5 days dug a trench 230 yards long, 3 yards wide,...

The Speedy Calculator: Being a System of Arithmetic

Benjamin Naylor - 1850 - 324 σελίδες
...can dig a trench 230 yards long, 3 yards wide, and 2 yards deep, in how many days of 9 hours each, will 24 men dig a trench 420 yards long, 5 yards wide, and 3 yards deep ? Ans. 2882% days. (20.) The solution of the above question, as given by Adams, Emerson, and others,...

An Elementary Arithmetic Serving as an Introduction to the Higher Arithmetic

George Roberts Perkins - 1850 - 347 σελίδες
...length, 6 feet high, and 4 feet thick, in 20 days, by working 8 hours each day ? Ans. 500 men. 1 1. In how many days, working 9 hours a day, will 24 men diga trench 420 yards long, 5 yards wide, and 3 yards deep, if 248 men, working 1 1 hours a day, in...




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