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" If 248 men, in 5 days, of 11 hours each, can dig a trench 230 yards long, 3 wide, and 2 deep, in how many days, of 9 hours each, will 24 men dig a trench 420 yards long, 5 wide, and 3 deep ? Here the number of days, in which the proposed work can be done,... "
Conversations on Arithmetic, with Demonstrations to Each Rule - Σελίδα 109
των Leonard Pierce - 1823 - 156 σελίδες
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Miscellaneous examples in arithmetic

Henry Pix - 1861 - 116 σελίδες
...stock is 89 |, to produce an annual income of £35 ? 6. If 248 men in 5 days, of 1 1 hours each, can dig a trench 230 yards long, 3 wide, and 2 deep; in how many days, of 9 hours each, can 24 men dig a trench 420 yards long, 5 wide, and 3 deep? 7. If a board be 18 inches broad,...

Davies' University Arithmetic: Embracing the Answers, and a Full Analysis ...

Charles Davies - 1861 - 496 σελίδες
...in 5J days of 11 hours each, dig a trench of 7 degrees of hardness, 232J yards long, 3J wide, and 2J deep, in how many days, of 9 hours long, will 24 men dig a trench of 4 degrees of hardness, 317$ yar^s long, 5f wide, and 3i deep? PARTNERSHIP. 245. A PARTNERSHIP, or FIRM,...

The standard arithmetic

Ebenezer L. Jones - 1863 - 114 σελίδες
...days of la hours' duration will be travel 7:20 miles ? 15. 1f 360 men, in 5 days of 30 hours each, can dig a trench 230 yards long, 3 wide, and 2 deep, in how many days, of'9 hours long, mny n trench of 500 yards length, 5 hi, width, and 3 deep, be dug by 120 men ? 12...

Arithmetic, designed for the use of schools

John William Colenso (bp. of Natal.) - 1864 - 238 σελίδες
...paving it at 8\d. per square yard. 166. If 100 men, in 6 days of 10 hours each, can dig a trench 200 yards long, 3 wide, and 2 deep, in how many days of 8 hours long will 180 men dig a trench of 360 yards long, 4 wide, and 3 deep ? 167. A person spending...

Arithmetical examples for home and school use, Μέρος 2

William Davis (B.A.) - 1864 - 96 σελίδες
...the sum by the square root of 105T'-. 156. Simplify the expression — 4J-3J + 5-jL. n/f— 55157. If 248 men, in 5| days of 11 hours each, dig a trench 232J yards long, 3-f yards wide, and 2'- yards deep, in how many days of 9 hours each will 24 men dig...

University Arithmetic: Embracing the Science of Numbers, and General Rules ...

Charles Davies - 1867 - 486 σελίδες
...of 11 hours each, dig a trench of 7 degrees of hardness, 232 \ yards long, Sf- wide, and 2^ *;p, iu how many days, of 9 hours long, will 24 men dig a nch of 4 degrees of hardness, 337| yarc's long, 5f wide, and deep ? PARTNERSHIP. 245. A PARTNERSHIP,...

Horn's Graduated standard arithmetical exercises. With answers

Joseph Stephenson Horn - 1868 - 200 σελίδες
...11. hours each, dig a trench of seven degrees of hardness, 2324 yds. long, 3'6 ft. wide, and 24 ft. deep ; in how many days, of 9 hours long, will 24 men dig a trench, of four degrees of hardness, 3374 yds- long, 5 "6 ft. wide, and 3'5 ft. deep ? 21. — If the pound weight...

Stoddard's Complete Arithmetic: Being the New Practical Arithmetic of the ...

John Fair Stoddard - 1888 - 480 σελίδες
...together at 12 o'clock ; when are they together again ? Ans. 5 min. 27y\- sec. past 1 o'clock. 79. If 248 men, in 5| days of 11 hours each, dig a trench that is 7 degrees of hardness, 232| feet long, 3^ feet wide, and 2J feet deep ; in how many days of...

Practical Arithmetic, Embracing the Science of Numbers and the Art of ...

John Fair Stoddard - 1868 - 428 σελίδες
...are together at 12 o'clock ; when are they together again ? Ans. 5 min. 27T\ sec. past 1 o'clock. 79. If 248 men, in 5^ days of 11 hours each, dig a trench that is 7 degrees of hardness, 232| feet long, 3f feet wide, and 2| feet deep ; in how many days of...

University Arithmetic, Embracing the Science of Numbers, and General Rules ...

Charles Davies - 1869 - 492 σελίδες
...11 honrs each, dig a trench •if 7 degrees of hardness, 232£ yards long, 3§- wide, and 2J ileep, in how many days, of 9 hours long, will 24 men dig a Irench of 4 degrees of hardness, 337 £ van's long, 5f wide, and -.:J deep? PARTNERSHIP. 245. A PARTNERSHIP,...




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